Bump version
Set the encoding to UTF-8 if not present yet. #163
Changelog for #163
Fix ValueError when --skip-slow is not present
Adjust threshold
Make tests directory a package
Add Drawing.rectangle() method.  Close #159
User's guide for Draw.rectangle().  #159
Fix undefined attribute when conditional falls through
Merge pull request #165 from ijl/undefined_r

Fix undefined attribute when conditional falls through
Merge branch 'master' of github.com:dahlia/wand into 0.3-maintenance
More detailed traceback on ImportError
Check __doc__ before change it.

This allows to use Wand when Python is invoked with the -OO flag.

Cherry-pick of #169
Changelog for #169.  Close #169
Adjust expected result of test_gaussian_blur
Add Image.compression property.  Close #171
Python 3.4 support
Release 0.3.6
Remove debug print made at 95f5d09717
added support for color negation