Merge pull request #248 from increpare/master

pull
adding unit tests for
https://github.com/increpare/PuzzleScript/commit/85e70657cb619f4805016c745a30277eb0c1a0e4
https://github.com/increpare/PuzzleScript/commit/9d2c140ba7b22e5854bce4e6a70192f36c77cbbd
Merge pull request #250 from increpare/master

merge fixes from master
increment version number to 1.4.1