Add tests for series.py
delete duplicate files and directories. Make spelling correction in break_me.py. Correct initial values in series.py from 1, 2 to 0, 1
Delete more duplicate files. I don't know where they are coming from.
Add list_lab exercises
Add rot13 module
Move session03 homework into its own directory
Build string with .append() and .join. Change from '+='
Merge branch 'master' of https://github.com/codefellows/sea-f2-python-sept14
Merge pull request #25 from charlieRode/master

Merging in work.