FIX: memory leak when calling add_data in loop
change default to False
Check for dependencies at install time
Update .gitignore to keep working directory clean
STY: Better comment
FIX: Fix Travis
Fix and update prob. label example
Update information on installing and getting started
Merge the Michaels
Merge pull request #110 from mwaskom/docs_and_prerelease_stuff

Update docs and other housekeeping before 0.5 release
Add another Michael
Update copyright info
Add a narrative intro explaining what PySurfer is
Merge pull request #90 from mluessi/fix_add_data_leak

FIX: memory leak when calling add_data in loop
Add note on environment variable needed to work on OSX with Canopy
Merge pull request #111 from mwaskom/more_docs

Add a narrative intro explaining what PySurfer is
Update CHANGES with install and docs notes for 0.5
Add more cross refs and fix typo on intro page
Tweak index page