diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 3ec616bd2..37e1be0ce 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,4 +1,10 @@
 Contributing to the LaunchDarkly SDK for PHP
 ================================================
 
-We encourage pull-requests and other contributions from the community. We've also published an [SDK contributor's guide](http://docs.launchdarkly.com/v1.0/docs/sdk-contributors-guide) that provides a detailed explanation of how our SDKs work.
\ No newline at end of file
+We encourage pull-requests and other contributions from the community. We've also published an [SDK contributor's guide](http://docs.launchdarkly.com/v1.0/docs/sdk-contributors-guide) that provides a detailed explanation of how our SDKs work.
+
+
+This can help with getting php 5.3 on your mac: https://github.com/Homebrew/homebrew-php
+
+To see composer dependency graph: 
+`php composer.phar show -i -t`
\ No newline at end of file
diff --git a/circle.yml b/circle.yml
index 77aae221c..ad6dd4f54 100644
--- a/circle.yml
+++ b/circle.yml
@@ -1,7 +1,10 @@
 machine:
   php:
-    version: 5.4.37
+    version: 5.3.25
 
 test:
   override:
+    # syntax check php files
+    - find ./src -name "*.php" -type f -print0 | xargs -0 -I {} php -l {}
+    - find ./tests -name "*.php" -type f -print0 | xargs -0 -I {} php -l {}
     - vendor/bin/phpunit tests
diff --git a/composer.json b/composer.json
index 3c109221f..621414dce 100644
--- a/composer.json
+++ b/composer.json
@@ -20,9 +20,10 @@
         }
     ],
     "require": {
-        "php": ">=5.3",
+        "php": "~5.3",
         "guzzle/guzzle": "dev-master#ecb935d2d0ecd8cddae4dcfb90515cac5e2cb023",
-        "psr/log": "1.0.0"
+        "psr/log": "1.0.0",
+        "justinrainbow/json-schema": "v1.6.0"
     },
     "require-dev": {
         "phpunit/phpunit": "4.8.26",
diff --git a/composer.lock b/composer.lock
index b04fe4754..46414fb6e 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,8 +4,8 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "74e1b7bb93bb1571d1ab0153920fa0a9",
-    "content-hash": "8a18d98bba3bb72ac1d72ac4264d976b",
+    "hash": "30633a946a2f7c18c7cd3bd7492dadc4",
+    "content-hash": "3a1f29c4c3c6857e353d5e518bc9db53",
     "packages": [
         {
             "name": "guzzle/guzzle",
@@ -100,6 +100,72 @@
             ],
             "time": "2015-12-08 23:21:31"
         },
+        {
+            "name": "justinrainbow/json-schema",
+            "version": "v1.6.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/justinrainbow/json-schema.git",
+                "reference": "f9e27c3e202faf14fd581ef41355d83bb4b7eb7d"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/justinrainbow/json-schema/zipball/f9e27c3e202faf14fd581ef41355d83bb4b7eb7d",
+                "reference": "f9e27c3e202faf14fd581ef41355d83bb4b7eb7d",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.2"
+            },
+            "require-dev": {
+                "json-schema/json-schema-test-suite": "1.1.0",
+                "phpdocumentor/phpdocumentor": "~2",
+                "phpunit/phpunit": "~3.7"
+            },
+            "bin": [
+                "bin/validate-json"
+            ],
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.4.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "JsonSchema\\": "src/JsonSchema/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Bruno Prieto Reis",
+                    "email": "bruno.p.reis@gmail.com"
+                },
+                {
+                    "name": "Justin Rainbow",
+                    "email": "justin.rainbow@gmail.com"
+                },
+                {
+                    "name": "Igor Wiedler",
+                    "email": "igor@wiedler.ch"
+                },
+                {
+                    "name": "Robert Schönthal",
+                    "email": "seroscho@googlemail.com"
+                }
+            ],
+            "description": "A library to validate a json schema.",
+            "homepage": "https://github.com/justinrainbow/json-schema",
+            "keywords": [
+                "json",
+                "schema"
+            ],
+            "time": "2016-01-06 14:37:04"
+        },
         {
             "name": "psr/log",
             "version": "1.0.0",
@@ -140,16 +206,16 @@
         },
         {
             "name": "symfony/event-dispatcher",
-            "version": "v2.8.11",
+            "version": "v2.8.14",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/event-dispatcher.git",
-                "reference": "889983a79a043dfda68f38c38b6dba092dd49cd8"
+                "reference": "25c576abd4e0f212e678fe8b2bd9a9a98c7ea934"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/event-dispatcher/zipball/889983a79a043dfda68f38c38b6dba092dd49cd8",
-                "reference": "889983a79a043dfda68f38c38b6dba092dd49cd8",
+                "url": "https://api.github.com/repos/symfony/event-dispatcher/zipball/25c576abd4e0f212e678fe8b2bd9a9a98c7ea934",
+                "reference": "25c576abd4e0f212e678fe8b2bd9a9a98c7ea934",
                 "shasum": ""
             },
             "require": {
@@ -196,7 +262,7 @@
             ],
             "description": "Symfony EventDispatcher Component",
             "homepage": "https://symfony.com",
-            "time": "2016-07-28 16:56:28"
+            "time": "2016-10-13 01:43:15"
         }
     ],
     "packages-dev": [
@@ -496,18 +562,21 @@
         },
         {
             "name": "erusev/parsedown",
-            "version": "1.6.0",
+            "version": "1.6.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/erusev/parsedown.git",
-                "reference": "3ebbd730b5c2cf5ce78bc1bf64071407fc6674b7"
+                "reference": "20ff8bbb57205368b4b42d094642a3e52dac85fb"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/erusev/parsedown/zipball/3ebbd730b5c2cf5ce78bc1bf64071407fc6674b7",
-                "reference": "3ebbd730b5c2cf5ce78bc1bf64071407fc6674b7",
+                "url": "https://api.github.com/repos/erusev/parsedown/zipball/20ff8bbb57205368b4b42d094642a3e52dac85fb",
+                "reference": "20ff8bbb57205368b4b42d094642a3e52dac85fb",
                 "shasum": ""
             },
+            "require": {
+                "php": ">=5.3.0"
+            },
             "type": "library",
             "autoload": {
                 "psr-0": {
@@ -531,7 +600,7 @@
                 "markdown",
                 "parser"
             ],
-            "time": "2015-10-04 16:44:32"
+            "time": "2016-11-02 15:56:58"
         },
         {
             "name": "herrera-io/json",
@@ -580,8 +649,7 @@
                 {
                     "name": "Kevin Herrera",
                     "email": "kevin@herrera.io",
-                    "homepage": "http://kevin.herrera.io/",
-                    "role": "Developer"
+                    "homepage": "http://kevin.herrera.io"
                 }
             ],
             "description": "A library for simplifying JSON linting and validation.",
@@ -640,8 +708,7 @@
                 {
                     "name": "Kevin Herrera",
                     "email": "kevin@herrera.io",
-                    "homepage": "http://kevin.herrera.io/",
-                    "role": "Developer"
+                    "homepage": "http://kevin.herrera.io"
                 }
             ],
             "description": "A library for self-updating Phars.",
@@ -741,41 +808,36 @@
         },
         {
             "name": "jms/serializer",
-            "version": "1.1.0",
+            "version": "0.16.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/schmittjoh/serializer.git",
-                "reference": "fe13a1f993ea3456e195b7820692f2eb2b6bbb48"
+                "reference": "c8a171357ca92b6706e395c757f334902d430ea9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/schmittjoh/serializer/zipball/fe13a1f993ea3456e195b7820692f2eb2b6bbb48",
-                "reference": "fe13a1f993ea3456e195b7820692f2eb2b6bbb48",
+                "url": "https://api.github.com/repos/schmittjoh/serializer/zipball/c8a171357ca92b6706e395c757f334902d430ea9",
+                "reference": "c8a171357ca92b6706e395c757f334902d430ea9",
                 "shasum": ""
             },
             "require": {
                 "doctrine/annotations": "1.*",
-                "doctrine/instantiator": "~1.0.3",
                 "jms/metadata": "~1.1",
                 "jms/parser-lib": "1.*",
-                "php": ">=5.4.0",
+                "php": ">=5.3.2",
                 "phpcollection/phpcollection": "~0.1"
             },
-            "conflict": {
-                "twig/twig": "<1.12"
-            },
             "require-dev": {
                 "doctrine/orm": "~2.1",
                 "doctrine/phpcr-odm": "~1.0.1",
                 "jackalope/jackalope-doctrine-dbal": "1.0.*",
-                "phpunit/phpunit": "~4.0",
                 "propel/propel1": "~1.7",
                 "symfony/filesystem": "2.*",
                 "symfony/form": "~2.1",
                 "symfony/translation": "~2.0",
                 "symfony/validator": "~2.0",
                 "symfony/yaml": "2.*",
-                "twig/twig": "~1.12|~2.0"
+                "twig/twig": ">=1.8,<2.0-dev"
             },
             "suggest": {
                 "symfony/yaml": "Required if you'd like to serialize data to YAML format."
@@ -783,7 +845,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.1-dev"
+                    "dev-master": "0.15-dev"
                 }
             },
             "autoload": {
@@ -797,8 +859,10 @@
             ],
             "authors": [
                 {
-                    "name": "Johannes M. Schmitt",
-                    "email": "schmittjoh@gmail.com"
+                    "name": "Johannes Schmitt",
+                    "email": "schmittjoh@gmail.com",
+                    "homepage": "https://github.com/schmittjoh",
+                    "role": "Developer of wrapped JMSSerializerBundle"
                 }
             ],
             "description": "Library for (de-)serializing data of any complexity; supports XML, JSON, and YAML.",
@@ -810,73 +874,7 @@
                 "serialization",
                 "xml"
             ],
-            "time": "2015-10-27 09:24:41"
-        },
-        {
-            "name": "justinrainbow/json-schema",
-            "version": "1.6.1",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/justinrainbow/json-schema.git",
-                "reference": "cc84765fb7317f6b07bd8ac78364747f95b86341"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/justinrainbow/json-schema/zipball/cc84765fb7317f6b07bd8ac78364747f95b86341",
-                "reference": "cc84765fb7317f6b07bd8ac78364747f95b86341",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.3.29"
-            },
-            "require-dev": {
-                "json-schema/json-schema-test-suite": "1.1.0",
-                "phpdocumentor/phpdocumentor": "~2",
-                "phpunit/phpunit": "~3.7"
-            },
-            "bin": [
-                "bin/validate-json"
-            ],
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.6.x-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "JsonSchema\\": "src/JsonSchema/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "BSD-3-Clause"
-            ],
-            "authors": [
-                {
-                    "name": "Bruno Prieto Reis",
-                    "email": "bruno.p.reis@gmail.com"
-                },
-                {
-                    "name": "Justin Rainbow",
-                    "email": "justin.rainbow@gmail.com"
-                },
-                {
-                    "name": "Igor Wiedler",
-                    "email": "igor@wiedler.ch"
-                },
-                {
-                    "name": "Robert Schönthal",
-                    "email": "seroscho@googlemail.com"
-                }
-            ],
-            "description": "A library to validate a json schema.",
-            "homepage": "https://github.com/justinrainbow/json-schema",
-            "keywords": [
-                "json",
-                "schema"
-            ],
-            "time": "2016-01-25 15:43:01"
+            "time": "2014-03-18 08:39:00"
         },
         {
             "name": "kherge/version",
@@ -913,8 +911,7 @@
             "authors": [
                 {
                     "name": "Kevin Herrera",
-                    "email": "me@kevingh.com",
-                    "homepage": "http://www.kevingh.com/"
+                    "email": "me@kevingh.com"
                 }
             ],
             "description": "A parsing and comparison library for semantic versioning.",
@@ -1420,16 +1417,16 @@
         },
         {
             "name": "phpspec/prophecy",
-            "version": "v1.6.1",
+            "version": "v1.6.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpspec/prophecy.git",
-                "reference": "58a8137754bc24b25740d4281399a4a3596058e0"
+                "reference": "6c52c2722f8460122f96f86346600e1077ce22cb"
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             "dist": {
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-                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/58a8137754bc24b25740d4281399a4a3596058e0",
-                "reference": "58a8137754bc24b25740d4281399a4a3596058e0",
+                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/6c52c2722f8460122f96f86346600e1077ce22cb",
+                "reference": "6c52c2722f8460122f96f86346600e1077ce22cb",
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             },
             "require": {
@@ -1437,10 +1434,11 @@
                 "php": "^5.3|^7.0",
                 "phpdocumentor/reflection-docblock": "^2.0|^3.0.2",
                 "sebastian/comparator": "^1.1",
-                "sebastian/recursion-context": "^1.0"
+                "sebastian/recursion-context": "^1.0|^2.0"
             },
             "require-dev": {
-                "phpspec/phpspec": "^2.0"
+                "phpspec/phpspec": "^2.0",
+                "phpunit/phpunit": "^4.8 || ^5.6.5"
             },
             "type": "library",
             "extra": {
@@ -1478,7 +1476,7 @@
                 "spy",
                 "stub"
             ],
-            "time": "2016-06-07 08:13:47"
+            "time": "2016-11-21 14:58:47"
         },
         {
             "name": "phpunit/php-code-coverage",
@@ -1676,16 +1674,16 @@
         },
         {
             "name": "phpunit/php-token-stream",
-            "version": "1.4.8",
+            "version": "1.4.9",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-token-stream.git",
-                "reference": "3144ae21711fb6cac0b1ab4cbe63b75ce3d4e8da"
+                "reference": "3b402f65a4cc90abf6e1104e388b896ce209631b"
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             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-token-stream/zipball/3144ae21711fb6cac0b1ab4cbe63b75ce3d4e8da",
-                "reference": "3144ae21711fb6cac0b1ab4cbe63b75ce3d4e8da",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-token-stream/zipball/3b402f65a4cc90abf6e1104e388b896ce209631b",
+                "reference": "3b402f65a4cc90abf6e1104e388b896ce209631b",
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             },
             "require": {
@@ -1721,7 +1719,7 @@
             "keywords": [
                 "tokenizer"
             ],
-            "time": "2015-09-15 10:49:45"
+            "time": "2016-11-15 14:06:22"
         },
         {
             "name": "phpunit/phpunit",
@@ -1949,22 +1947,22 @@
         },
         {
             "name": "sebastian/comparator",
-            "version": "1.2.0",
+            "version": "1.2.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/comparator.git",
-                "reference": "937efb279bd37a375bcadf584dec0726f84dbf22"
+                "reference": "6a1ed12e8b2409076ab22e3897126211ff8b1f7f"
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             "dist": {
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-                "reference": "937efb279bd37a375bcadf584dec0726f84dbf22",
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+                "reference": "6a1ed12e8b2409076ab22e3897126211ff8b1f7f",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.3.3",
                 "sebastian/diff": "~1.2",
-                "sebastian/exporter": "~1.2"
+                "sebastian/exporter": "~1.2 || ~2.0"
             },
             "require-dev": {
                 "phpunit/phpunit": "~4.4"
@@ -2009,7 +2007,7 @@
                 "compare",
                 "equality"
             ],
-            "time": "2015-07-26 15:48:44"
+            "time": "2016-11-19 09:18:40"
         },
         {
             "name": "sebastian/diff",
@@ -2321,16 +2319,16 @@
         },
         {
             "name": "seld/jsonlint",
-            "version": "1.4.1",
+            "version": "1.5.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/Seldaek/jsonlint.git",
-                "reference": "e827b5254d3e58c736ea2c5616710983d80b0b70"
+                "reference": "19495c181d6d53a0a13414154e52817e3b504189"
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-                "url": "https://api.github.com/repos/Seldaek/jsonlint/zipball/e827b5254d3e58c736ea2c5616710983d80b0b70",
-                "reference": "e827b5254d3e58c736ea2c5616710983d80b0b70",
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+                "reference": "19495c181d6d53a0a13414154e52817e3b504189",
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             "require": {
@@ -2363,20 +2361,20 @@
                 "parser",
                 "validator"
             ],
-            "time": "2016-09-14 15:17:56"
+            "time": "2016-11-14 17:59:58"
         },
         {
             "name": "symfony/config",
-            "version": "v2.8.11",
+            "version": "v2.8.14",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/config.git",
-                "reference": "005bf10c156335ede2e89fb9a9ee10a0b742bc84"
+                "reference": "1361bc4e66f97b6202ae83f4190e962c624b5e61"
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             "dist": {
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-                "url": "https://api.github.com/repos/symfony/config/zipball/005bf10c156335ede2e89fb9a9ee10a0b742bc84",
-                "reference": "005bf10c156335ede2e89fb9a9ee10a0b742bc84",
+                "url": "https://api.github.com/repos/symfony/config/zipball/1361bc4e66f97b6202ae83f4190e962c624b5e61",
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@@ -2416,24 +2414,25 @@
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             "description": "Symfony Config Component",
             "homepage": "https://symfony.com",
-            "time": "2016-08-16 14:56:08"
+            "time": "2016-11-03 07:52:58"
         },
         {
             "name": "symfony/console",
-            "version": "v2.8.11",
+            "version": "v2.8.14",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/console.git",
-                "reference": "3d3e4fa5f0614c8e45220e5de80332322e33bd90"
+                "reference": "a871ba00e0f604dceac64c56c27f99fbeaf4854e"
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-                "reference": "3d3e4fa5f0614c8e45220e5de80332322e33bd90",
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+                "reference": "a871ba00e0f604dceac64c56c27f99fbeaf4854e",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.3.9",
+                "symfony/debug": "~2.7,>=2.7.2|~3.0.0",
                 "symfony/polyfill-mbstring": "~1.0"
             },
             "require-dev": {
@@ -2476,20 +2475,77 @@
             ],
             "description": "Symfony Console Component",
             "homepage": "https://symfony.com",
-            "time": "2016-09-06 10:55:00"
+            "time": "2016-11-15 23:02:12"
+        },
+        {
+            "name": "symfony/debug",
+            "version": "v2.8.14",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/debug.git",
+                "reference": "62a68f640456f6761d752c62d81631428ef0d8a1"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/debug/zipball/62a68f640456f6761d752c62d81631428ef0d8a1",
+                "reference": "62a68f640456f6761d752c62d81631428ef0d8a1",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.9",
+                "psr/log": "~1.0"
+            },
+            "conflict": {
+                "symfony/http-kernel": ">=2.3,<2.3.24|~2.4.0|>=2.5,<2.5.9|>=2.6,<2.6.2"
+            },
+            "require-dev": {
+                "symfony/class-loader": "~2.2|~3.0.0",
+                "symfony/http-kernel": "~2.3.24|~2.5.9|~2.6,>=2.6.2|~3.0.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.8-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Debug\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Debug Component",
+            "homepage": "https://symfony.com",
+            "time": "2016-11-15 12:53:17"
         },
         {
             "name": "symfony/filesystem",
-            "version": "v2.8.11",
+            "version": "v2.8.14",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/filesystem.git",
-                "reference": "44b499521defddf2eae17a18c811bbdae4f98bdf"
+                "reference": "a3784111af9f95f102b6411548376e1ae7c93898"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/filesystem/zipball/44b499521defddf2eae17a18c811bbdae4f98bdf",
-                "reference": "44b499521defddf2eae17a18c811bbdae4f98bdf",
+                "url": "https://api.github.com/repos/symfony/filesystem/zipball/a3784111af9f95f102b6411548376e1ae7c93898",
+                "reference": "a3784111af9f95f102b6411548376e1ae7c93898",
                 "shasum": ""
             },
             "require": {
@@ -2525,20 +2581,20 @@
             ],
             "description": "Symfony Filesystem Component",
             "homepage": "https://symfony.com",
-            "time": "2016-09-06 10:55:00"
+            "time": "2016-10-18 04:28:30"
         },
         {
             "name": "symfony/finder",
-            "version": "v2.8.11",
+            "version": "v2.8.14",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/finder.git",
-                "reference": "bec5533e6ed650547d6ec8de4b541dc9929066f7"
+                "reference": "0023b024363dfc0cd21262e556f25a291fe8d7fd"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/finder/zipball/bec5533e6ed650547d6ec8de4b541dc9929066f7",
-                "reference": "bec5533e6ed650547d6ec8de4b541dc9929066f7",
+                "url": "https://api.github.com/repos/symfony/finder/zipball/0023b024363dfc0cd21262e556f25a291fe8d7fd",
+                "reference": "0023b024363dfc0cd21262e556f25a291fe8d7fd",
                 "shasum": ""
             },
             "require": {
@@ -2574,20 +2630,20 @@
             ],
             "description": "Symfony Finder Component",
             "homepage": "https://symfony.com",
-            "time": "2016-08-26 11:57:43"
+            "time": "2016-11-03 07:52:58"
         },
         {
             "name": "symfony/polyfill-mbstring",
-            "version": "v1.2.0",
+            "version": "v1.3.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "dff51f72b0706335131b00a7f49606168c582594"
+                "reference": "e79d363049d1c2128f133a2667e4f4190904f7f4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/dff51f72b0706335131b00a7f49606168c582594",
-                "reference": "dff51f72b0706335131b00a7f49606168c582594",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/e79d363049d1c2128f133a2667e4f4190904f7f4",
+                "reference": "e79d363049d1c2128f133a2667e4f4190904f7f4",
                 "shasum": ""
             },
             "require": {
@@ -2599,7 +2655,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.2-dev"
+                    "dev-master": "1.3-dev"
                 }
             },
             "autoload": {
@@ -2633,20 +2689,20 @@
                 "portable",
                 "shim"
             ],
-            "time": "2016-05-18 14:26:46"
+            "time": "2016-11-14 01:06:16"
         },
         {
             "name": "symfony/process",
-            "version": "v2.8.11",
+            "version": "v2.8.14",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/process.git",
-                "reference": "05a03ed27073638658cab9405d99a67dd1014987"
+                "reference": "024de37f8a6b9e5e8244d9eb3fcf3e467dd2a93f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/process/zipball/05a03ed27073638658cab9405d99a67dd1014987",
-                "reference": "05a03ed27073638658cab9405d99a67dd1014987",
+                "url": "https://api.github.com/repos/symfony/process/zipball/024de37f8a6b9e5e8244d9eb3fcf3e467dd2a93f",
+                "reference": "024de37f8a6b9e5e8244d9eb3fcf3e467dd2a93f",
                 "shasum": ""
             },
             "require": {
@@ -2682,11 +2738,11 @@
             ],
             "description": "Symfony Process Component",
             "homepage": "https://symfony.com",
-            "time": "2016-09-06 10:55:00"
+            "time": "2016-09-29 14:03:54"
         },
         {
             "name": "symfony/stopwatch",
-            "version": "v2.8.11",
+            "version": "v2.8.14",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/stopwatch.git",
@@ -2735,16 +2791,16 @@
         },
         {
             "name": "symfony/translation",
-            "version": "v2.8.11",
+            "version": "v2.8.14",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/translation.git",
-                "reference": "bf0ff95faa9b6c0708efc1986255e3608d0ed3c7"
+                "reference": "edbe67e8f729885b55421d5cc58223d48540df07"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/translation/zipball/bf0ff95faa9b6c0708efc1986255e3608d0ed3c7",
-                "reference": "bf0ff95faa9b6c0708efc1986255e3608d0ed3c7",
+                "url": "https://api.github.com/repos/symfony/translation/zipball/edbe67e8f729885b55421d5cc58223d48540df07",
+                "reference": "edbe67e8f729885b55421d5cc58223d48540df07",
                 "shasum": ""
             },
             "require": {
@@ -2795,20 +2851,20 @@
             ],
             "description": "Symfony Translation Component",
             "homepage": "https://symfony.com",
-            "time": "2016-09-06 10:55:00"
+            "time": "2016-11-18 21:10:01"
         },
         {
             "name": "symfony/validator",
-            "version": "v2.8.11",
+            "version": "v2.8.14",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/validator.git",
-                "reference": "53b1b1d3f7550e4b1e365dbad39a0b6c60bfcf85"
+                "reference": "c4ef882117461a4151064ad16c5d638dd1c70b9e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/validator/zipball/53b1b1d3f7550e4b1e365dbad39a0b6c60bfcf85",
-                "reference": "53b1b1d3f7550e4b1e365dbad39a0b6c60bfcf85",
+                "url": "https://api.github.com/repos/symfony/validator/zipball/c4ef882117461a4151064ad16c5d638dd1c70b9e",
+                "reference": "c4ef882117461a4151064ad16c5d638dd1c70b9e",
                 "shasum": ""
             },
             "require": {
@@ -2868,20 +2924,20 @@
             ],
             "description": "Symfony Validator Component",
             "homepage": "https://symfony.com",
-            "time": "2016-09-06 10:55:00"
+            "time": "2016-11-18 21:10:01"
         },
         {
             "name": "symfony/yaml",
-            "version": "v2.8.11",
+            "version": "v2.8.14",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/yaml.git",
-                "reference": "e7540734bad981fe59f8ef14b6fc194ae9df8d9c"
+                "reference": "befb26a3713c97af90d25dd12e75621ef14d91ff"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/yaml/zipball/e7540734bad981fe59f8ef14b6fc194ae9df8d9c",
-                "reference": "e7540734bad981fe59f8ef14b6fc194ae9df8d9c",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/befb26a3713c97af90d25dd12e75621ef14d91ff",
+                "reference": "befb26a3713c97af90d25dd12e75621ef14d91ff",
                 "shasum": ""
             },
             "require": {
@@ -2917,20 +2973,20 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
-            "time": "2016-09-02 01:57:56"
+            "time": "2016-11-14 16:15:57"
         },
         {
             "name": "twig/twig",
-            "version": "v1.25.0",
+            "version": "v1.28.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/twigphp/Twig.git",
-                "reference": "f16a634ab08d87e520da5671ec52153d627f10f6"
+                "reference": "fff80c4a7ae1d47a81dfec10c76cbcb939170b45"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/twigphp/Twig/zipball/f16a634ab08d87e520da5671ec52153d627f10f6",
-                "reference": "f16a634ab08d87e520da5671ec52153d627f10f6",
+                "url": "https://api.github.com/repos/twigphp/Twig/zipball/fff80c4a7ae1d47a81dfec10c76cbcb939170b45",
+                "reference": "fff80c4a7ae1d47a81dfec10c76cbcb939170b45",
                 "shasum": ""
             },
             "require": {
@@ -2943,7 +2999,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.25-dev"
+                    "dev-master": "1.28-dev"
                 }
             },
             "autoload": {
@@ -2978,7 +3034,7 @@
             "keywords": [
                 "templating"
             ],
-            "time": "2016-09-21 23:05:12"
+            "time": "2016-11-19 05:52:49"
         },
         {
             "name": "zendframework/zend-cache",
@@ -3650,7 +3706,7 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": ">=5.3"
+        "php": "5.3.*"
     },
     "platform-dev": []
 }
diff --git a/src/LaunchDarkly/Clause.php b/src/LaunchDarkly/Clause.php
index adf01615e..7c319f5e4 100644
--- a/src/LaunchDarkly/Clause.php
+++ b/src/LaunchDarkly/Clause.php
@@ -12,7 +12,7 @@ class Clause {
     /** @var bool  */
     private $_negate = false;
 
-    private function __construct($attribute, $op, array $values, $negate) {
+    public function __construct($attribute, $op, array $values, $negate) {
         $this->_attribute = $attribute;
         $this->_op = $op;
         $this->_values = $values;
diff --git a/src/LaunchDarkly/FeatureFlag.php b/src/LaunchDarkly/FeatureFlag.php
index b20ced40b..abc446af7 100644
--- a/src/LaunchDarkly/FeatureFlag.php
+++ b/src/LaunchDarkly/FeatureFlag.php
@@ -27,7 +27,7 @@ class FeatureFlag {
     /** @var bool */
     protected $_deleted = false;
 
-    protected function __construct($key,
+    public function __construct($key,
                                    $version,
                                    $on,
                                    array $prerequisites,
@@ -209,7 +209,7 @@ public function isDeleted() {
 class EvalResult {
     private $_value = null;
     /** @var array */
-    private $_prerequisiteEvents = [];
+    private $_prerequisiteEvents = array();
 
     /**
      * EvalResult constructor.
@@ -242,7 +242,7 @@ class WeightedVariation {
     /** @var int */
     private $_weight = null;
 
-    private function __construct($variation, $weight) {
+    public function __construct($variation, $weight) {
         $this->_variation = $variation;
         $this->_weight = $weight;
     }
@@ -274,7 +274,7 @@ class Target {
     /** @var int */
     private $_variation = null;
 
-    protected function __construct(array $values, $variation) {
+    public function __construct(array $values, $variation) {
         $this->_values = $values;
         $this->_variation = $variation;
     }
@@ -306,7 +306,7 @@ class Prerequisite {
     /** @var int */
     private $_variation = null;
 
-    protected function __construct($key, $variation) {
+    public function __construct($key, $variation) {
         $this->_key = $key;
         $this->_variation = $variation;
     }
@@ -338,7 +338,7 @@ class Rollout {
     /** @var string */
     private $_bucketBy = null;
 
-    protected function __construct(array $variations, $bucketBy) {
+    public function __construct(array $variations, $bucketBy) {
         $this->_variations = $variations;
         $this->_bucketBy = $bucketBy;
     }
diff --git a/src/LaunchDarkly/LDClient.php b/src/LaunchDarkly/LDClient.php
index a720df50f..2fdd90ba4 100644
--- a/src/LaunchDarkly/LDClient.php
+++ b/src/LaunchDarkly/LDClient.php
@@ -64,10 +64,10 @@ public function __construct($sdkKey, $options = array()) {
         }
 
         if (!isset($options['timeout'])) {
-            $options['timeout'] = 3;
+            $options['timeout'] = 10;
         }
         if (!isset($options['connect_timeout'])) {
-            $options['connect_timeout'] = 3;
+            $options['connect_timeout'] = 10;
         }
 
         if (!isset($options['capacity'])) {
@@ -75,7 +75,7 @@ public function __construct($sdkKey, $options = array()) {
         }
 
         if (!isset($options['logger'])) {
-            $logger = new Logger("LaunchDarkly", [new ErrorLogHandler()]);
+            $logger = new Logger("LaunchDarkly", array(new ErrorLogHandler()));
             $options['logger'] = $logger;
         }
         $this->_logger = $options['logger'];
@@ -229,15 +229,12 @@ public function allFlags($user) {
             return null;
         }
 
-        /**
-         * @param $flag FeatureFlag
-         * @return mixed|null
-         */
-        $eval = function($flag) use($user) {
-            return $flag->evaluate($user, $this->_featureRequester)->getValue();
-        };
+        $results = array();
 
-        return array_map($eval, $flags);
+        foreach ($flags as $flag)
+            $results[$flag->getKey()] = $flag->evaluate($user, $this->_featureRequester)->getValue();
+
+        return $results;
     }
 
     /** Generates an HMAC sha256 hash for use in Secure mode: https://github.com/launchdarkly/js-client#secure-mode
diff --git a/src/LaunchDarkly/Rule.php b/src/LaunchDarkly/Rule.php
index c2ac20d43..f2e9cabf7 100644
--- a/src/LaunchDarkly/Rule.php
+++ b/src/LaunchDarkly/Rule.php
@@ -6,7 +6,7 @@ class Rule extends VariationOrRollout {
     /** @var Clause[] */
     private $_clauses = array();
 
-    protected function __construct($variation, $rollout, array $clauses) {
+    public function __construct($variation, $rollout, array $clauses) {
         parent::__construct($variation, $rollout);
         $this->_clauses = $clauses;
     }
diff --git a/src/LaunchDarkly/VariationOrRollout.php b/src/LaunchDarkly/VariationOrRollout.php
index e1ff63b60..f7ded0f32 100644
--- a/src/LaunchDarkly/VariationOrRollout.php
+++ b/src/LaunchDarkly/VariationOrRollout.php
@@ -11,7 +11,7 @@ class VariationOrRollout {
     /** @var Rollout | null */
     private $_rollout = null;
 
-    protected function __construct($variation, $rollout) {
+    public function __construct($variation, $rollout) {
         $this->_variation = $variation;
         $this->_rollout = $rollout;
     }
diff --git a/tests/LDClientTest.php b/tests/LDClientTest.php
index 726410c0c..bac929161 100644
--- a/tests/LDClientTest.php
+++ b/tests/LDClientTest.php
@@ -1,7 +1,6 @@
 <?php
 namespace LaunchDarkly\Tests;
 
-use InvalidArgumentException;
 use LaunchDarkly\FeatureRequester;
 use LaunchDarkly\LDClient;
 use LaunchDarkly\LDUser;
@@ -55,7 +54,7 @@ public function testToggleEvent() {
     }
 
     public function testSecureModeHash() {
-        $client = new LDClient("secret", ['offline' => true]);
+        $client = new LDClient("secret", array('offline' => true));
         $user = new LDUser("Message");
         $this->assertEquals("aa747c502a898200f9e4fa21bac68136f886a0e27aec70ba06daf2e2a5cb5597",  $client->secureModeHash($user));
     }
diff --git a/tests/OperatorsTest.php b/tests/OperatorsTest.php
index bb25ed423..0f8b83a59 100644
--- a/tests/OperatorsTest.php
+++ b/tests/OperatorsTest.php
@@ -47,6 +47,6 @@ public function testParseTime() {
 
 
         $this->assertEquals(null, Operators::parseTime("NOT A REAL TIMESTAMP"));
-        $this->assertEquals(null, Operators::parseTime([]));
+        $this->assertEquals(null, Operators::parseTime(array()));
     }
 }
\ No newline at end of file