Merge pull request #49 from RReverser/master

Added simple unit test to show problem with BigData strings
Merge pull request #50 from RReverser/master

Addition of CanvasPixelArray as fast byte array implementation
Merge pull request #51 from RReverser/master

Added ability to run tests for all the supported engines at once.
Merge branch 'master' of git://github.com/vjeux/jDataView