Cause nil isn't null
Merge commit 'c0e9cc010c8918d54ed7752f5ab2be1d35620b51' into woahman
better method.
Merge pull request #9 from ceekayel/master

changed application tests to unit tests that may possibly have a chance at running in Jenkins!
Merge pull request #7 from MattFoley/woahman

nil isn't nsnull and deleteExisting