Split header and body check into libs
Unit test setup of abe-express
Add mocha unit tests to grunt test command
Test throwing of errors with throwException

Tests body check with Strings, Objects and Arrays
Have unit tests together in a folder within test/

Will allow for having e2e and unit tests in the future
Bugfix mock body not passed
Merge pull request #7 from apibyexample/nick/unit-tests

Unit tests for express