Fix #147: Add test cases
Fix #147: Add test cases

- First embryo of test case.
- Created some basic tests for encoding. Test fails though.
- fix test_round for encode.t
- add some single-condition tests

stsquared99/git-subrepo,perlpunk/git-subrepo,stsquared99/git-subrepo,ingydotnet/git-subrepo,ingydotnet/git-subrepo,perlpunk/git-subrepo