Added working peices for assignment02.

Messing up code to break tests.

Cleaning up code

Messed up the code.
Added documentation to tests.py file for assign2
Merge pull request #1 from travisfischer/master

Added assignment02
docstring updates
Merge branch 'master' of github.com:ericrasmussen/pyssignments
docstring fixes
Added another function and two more tests that need to pass.
Tweaking test
Merge pull request #2 from travisfischer/master

Added some more to the assignment.
first pass for assignment 03
Fixing bug in test
Merge pull request #3 from travisfischer/master

Fix for bug
Merge remote branch 'upstream/master'
made tests pass