Fix typos
Fixed capitalization of "Bitbucket"

Bitbucket is normally spelled with exactly one capital "b".
Spell check documentation
Merged in mg/setuptools (pull request #69)

Fix some typos in the documentation
Remove unused variable

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extra : rebase_source : c4b515b677e318ffdcd78b2d90ab772e7d1f94e3
Python 2.3 no longer supported

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extra : rebase_source : debc6141ad369eafeb78b808a15d8558ff3fb83b
Add test capturing failure on Python 2.6. Ref #236

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extra : rebase_source : 99a2b1e437691f9e1a9982357bc70d91fce91953