Use PyPy 2.3 on OS X
add HKDFExpand to changelog
Merge pull request #1037 from reaperhulk/update-changelog

add HKDFExpand to changelog
Simplify some code that was needlessly complex
Merge pull request #1040 from alex/pointless-code

Simplify some code that was needlessly complex
Fixed #1039 -- provide links to PSS and PKCS1v15 in the RSA docs
Missing semicolon
Merge pull request #1042 from alex/improve-docs

Fixed #1039 -- provide links to PSS and PKCS1v15 in the RSA docs
add CFB8 support for AES/3DES on CommonCrypto and OpenSSL backends
add some docs and changelog
native_size is not needed with the CFB8 approach we chose
sometimes you can't read and leave things in
Merge branch 'master' into pypy-2.3
Merge pull request #1043 from reaperhulk/support-some-cfb8

add CFB8 support for AES/3DES on CommonCrypto and OpenSSL backends
Reduce duplication. Also improve error message
Fix
ugh. good system.
fix coverage for CFB8
Merge pull request #1045 from reaperhulk/fix-coverage-i-are-dumb

fix coverage for CFB8
Merge pull request #1044 from alex/reduce-duplication

Reduce duplication. Also improve error message