Fix exception - Use of uninitialized value in addition on line 189 when the query fails to parse. Also added a message that an error was returned by the cluster and along with any helpful information that can be extracted from the copious returned stacktraces
Merge remote-tracking branch 'upstream/master'
Merge pull request #9 from samitbadle/master

Fix exception - Use of uninitialized value in addition on line 189