Bump version to 0.4.2

Author: jkodumal

VERSION

@@ -1 +1 @@
-0.4.1
+0.4.2

src/LaunchDarkly/LDClient.php

@@ -9,7 +9,7 @@
  */
 class LDClient {
     const DEFAULT_BASE_URI = 'https://app.launchdarkly.com';
-    const VERSION = '0.4.1';
+    const VERSION = '0.4.2';
 
     protected $_apiKey;
     protected $_baseUri;