Now compliant with Dart SDK version 0.6.5.0_r25017
Improvements related to using --keep-data option with unit tests.
Removed logMessage() from counters unit test.
Switched localFIle to use string interpolation.
Merge pull request #8 from ianmjones/master

Dart SDK version 0.6.5.0_r25017 and improvements related to using --keep-data option with unit tests.