Refactor how cipher names are computed
pep8 and py3k fixes
Up our coverage
Merge branch 'master' into refactor-cipher-names
Include CTR mode
fix
Merge branch 'master' into refactor-cipher-names

Conflicts:
	cryptography/bindings/openssl/api.py
Merge pull request #109 from alex/refactor-cipher-names

[WIP] Refactor how cipher names are computed