Fix readme example.
Fix whitespace.
Add ticket numbers to TODOs.
Merge pull request #53 from wting/fix_api_example

Fix readme example.
Update setup.py.
Move tests into tests/
Merge pull request #58 from wting/move_tests

Move tests into tests/
Add Makefile.
Update README.
Merge pull request #57 from wting/add_makefile

Add Makefile.
Merge pull request #56 from wting/update_readme

Update README.
Update README with Makefile targets.