Rename getFlag to toggle

Author: jkodumal

README.md

@@ -24,7 +24,7 @@ Your first feature flag
 2. In your application code, use the feature's key to check whether the flag is on for each user:
 
 		$user = new LaunchDarkly\LDUser("[email protected]");
-        if ($client->getFlag("your.flag.key", $user)) {
+        if ($client->toggle("your.flag.key", $user)) {
             # application code to show the feature
         } else {
             # the code to run if the feature is off