Update target version and changelog

CHANGELOG.mdown

@@ -1,3 +1,10 @@
+### 1.10.0 (2014-06-04)
+
+  * Added Logger::getHandlers() and Logger::getProcessors() methods
+  * Added $passthruLevel argument to FingersCrossedHandler to let it always pass some records through even if the trigger level is not reached
+  * Added support for extra data in NewRelicHandler
+  * Added $expandNewlines flag to the ErrorLogHandler to create multiple log entries when a message has multiple lines
+
 ### 1.9.1 (2014-04-24)
 
   * Fixed regression in RotatingFileHandler file permissions

composer.json

@@ -39,7 +39,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.9.x-dev"
+            "dev-master": "1.10.x-dev"
         }
     }
 }