Issue #1: Remove .pyc file accidentally added in the last commit.
Issue #1: Refactor gitrisk test method to no longer take a specification string, since it's now included as a member of the object.
Issue #1: Modify gitrisk to be return ticket names, rather than run tests itself, and setup accompanying test suite to perform tests.
(No Issue): Add .pyc files to .gitignore so that git ignores compiled python.