Merge pull request #12 from BernhardKonrad/gh-pages

Yep.
Merge branch 'gh-pages' of https://github.com/wltrimbl/2013-12-03-sesync
Merge pull request #13 from BernhardKonrad/master

Merge change in gh-pages with master. All further development in master.
Removed link to missing appendix
Changed links to overview
Merge pull request #14 from wltrimbl/linkfix

 Linkfix
Add python testing tutorial.

I haven't written the unittest example code yet.
Merge pull request #15 from bitdancer/master

Add python testing tutorial.
Merge pull request #16 from BernhardKonrad/master

Files and directories for advanced shell session
Add docstrings to example program.
Add unittest example.
Merge pull request #17 from bitdancer/master

Finish testing tutorial examples.
Added notes on regexp
Merge pull request #18 from wltrimbl/regexp-rough

Added notes on regexp
Fix up markdown formatting and add bonus exercise.
Merge pull request #19 from bitdancer/master

Fix up markdown formatting and add bonus exercise.
do not use decimal, Windows does not like it
adds notebook and data for beginners regexp
adds nosetests lecture for beginners
added two items on day 3 to schedule