Add support for saving lossless WebP.  Just pass 'lossless=True' to save().
pass bool flag as int, not object
tests for the actual compression method of the compressed file
compression in encoder info
Webp save documentation
Tests for writing lossless RGB and RGBA images
added new VP8 mode for lossless reading of RGBA, fixes failing tests
Merge from master
Merge pull request #386 from liftoff/master

Add support for saving lossless WebP.  Just pass 'lossless=True' to save()
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Merge branch 'master' of github.com:python-imaging/Pillow
Merge pull request #389 from wiredfool/libtiff-save

Take compression as an option in the save call for tiffs
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Merge pull request #390 from wiredfool/webp-lossless

Lossless WEBP Support
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Support RGBA TIFF with missing ExtraSamples tag
Merge pull request #393 from cgohlke/patch-1

Support RGBA TIFF with missing ExtraSamples tag
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Quote filenames and title before using on command line

This commit quotes title and filename paramaters that are passed to the
command line when showing an image.
Closes #397. Fixed Viewer.show to return properly.

Viewer.show did not return a value, however ImageShow.show expected
Viewer.show to return a non-falsey value if successful. Therefor ImageShow.show
would continue to call multiple viewers.