Merge pull request #28 from tsclausing/master

Post for Wednesday, March 6
Merge pull request #2 from pynashorg/master

pull in latest
added thursdays post
Merge pull request #29 from rmacy/master

thursdays post
fix code fencing
Merge pull request #30 from rmacy/master

fix awful code fencing caused by my goofiness
Added resource link to post.
Merge pull request #31 from tsclausing/master

Added resource link to Profiling post.
Post for March 13, 2013 on Unpacking arguments.