Merge pull request android-async-http#198 from lucamac/master

BinaryHttpResponseHandler.java: handleMessage cast eror on FAILURE_MESSAGE management

Author: loopj

src/com/loopj/android/http/BinaryHttpResponseHandler.java

@@ -146,7 +146,7 @@ protected void handleMessage(Message msg) {
                 break;
             case FAILURE_MESSAGE:
                 response = (Object[])msg.obj;
-                handleFailureMessage((Throwable)response[0], (byte[])response[1]);
+                handleFailureMessage((Throwable)response[0], response[1].toString());
                 break;
             default:
                 super.handleMessage(msg);