Merge pull request #798 from wiredfool/doc_cleanup

Doc cleanup
Update [ci skip]
More tests for SpiderImagePlugin.py
Merge pull request #799 from hugovk/SpiderImagePlugin

More tests for SpiderImagePlugin.py
Update [ci skip]
Bump

Though I hate the 'dev' designation I want something to indicate master is where development for the next major version happens. I think we've previously disagreed on simply 'X.X.X' so I'm going with 'X.X.Xdev' to see if that is more palatable. :-)
Revert "Bump"

This reverts commit 4fe5d520fbd7668df0c5998753be3ed158af32b0.

Hah, foiled by PEP8
Pulled ImageMorph into its own page
Broke out OleFileIO into its own page, Added docs from the readme