Start on version 0.2.1
Bug fix for #29.
Revert the changes to the FileEntityResource so it can still be reused with the old factory method, while still fixing the templated constructor issue.
Fix the dart analyzer to only run what is neccessary, and only once.
Fix the unit test task so it works correctly with the updated Isolate package.
Add some notes regarding the use of isolates and unit tests.
Preparing for the 0.2.1 release.
Start for v0.2.2
Fixed the termination of unit test error.  This is now using a separate Process, which is easier to manage (for some reason) than isolates.  This also indirectly handles the feature for running dart tests inside their own directory.
Some doc updates.
Some doc updates in preparation for the 0.2.2 release.