Moved the constants into constants.py
Merge pull request #3 from squishybear/master

Moved the constants into constants.py
Upgrade the tests to use the new constants module
Cleaned up the constants a little bit more
Reduce the sensitivity of iau2000a test

A volunteer in the sprint on a Mac is finding a slight disagreement.
Adding travis build
Remove accidentally-committed broken test example
Merge pull request #5 from alextucker/feature/travis

Adding travis build
Merge pull request #4 from squishybear/master

Cleaned up the constants a little bit more
Change the dev URL to the GitHub master.zip
Merge remote-tracking branch 'upstream/master'