Merge pull request #2 from Asana/cofactor-20141107

Cofactor 20141107
Initial unit testing setup, and a couple tests
Additional tests for teams, projects, tags, and tasks
Merge pull request #3 from Asana/cofactor-20141111

Cofactor 20141111
Merge pull request #4 from Asana/cofactor-20141112

Cofactor 20141112
Added missing Importer tests.