added solution to the grid printing homework.
Merge branch 'master' of https://github.com/UWPCE-PythonCert/IntroToPython
Week 1 Homework for Salim
Session One howework
Lightning Talk add
Adding student directory for Rperkins
Merge remote-tracking branch 'upstream/master'
Removing old HW
Remove old HW
My Python Homeworks
Added session01 directory and HW files
Added HW file 1
testing adding foo.txt
Added first working ack.py
Fixed syntax for None comparisons in test block
new stuff 11/08/14
Merge remote-tracking branch 'upstream/master'
Added success message to testing block
Added series.py module with empty fibonacci function
Ackermann module with unit tests included up to A(4,0)