Remove development package and upgrade phpuniT

Author: mvriel

composer.json

@@ -7,7 +7,7 @@
     ],
     "require": {
         "php": ">=5.5",
-        "phpdocumentor/reflection-common": "^1.0@dev"
+        "phpdocumentor/reflection-common": "^1.0"
     },
     "autoload": {
         "psr-4": {"phpDocumentor\\Reflection\\": ["src/"]}
@@ -16,7 +16,7 @@
         "psr-4": {"phpDocumentor\\Reflection\\": ["tests/unit"]}
     },
     "require-dev": {
-        "phpunit/phpunit": "^4.6",
+        "phpunit/phpunit": "^5.2",
         "mockery/mockery": "^0.9.4"
     },
     "extra": {