OAEP support for RSA decryption
add OAEP decryption example in docs
update docs for oaep
Merge pull request #949 from reaperhulk/rsa-oaep-decrypt

OAEP support for RSA decryption
Add binding for DSA_size
Merge pull request #961 from skeuomorf/dsa-size-binding

Add binding for DSA_size
Removed strange use of quotes
Also fix up some phrasings
More phrasing
No more comma seperated string strings
Merge pull request #963 from alex/docs-typo

Some docs fixes
add SEED to changelog since it was forgotten
RSA encryption support
update changelog
change doctest to codeblock until we add multibackend support for encrypt
determine operation type by isinstance on the key
improve style in test, update docs for rsa encryption review
Merge pull request #964 from alex/i-hate-strings

No more comma seperated string strings
another style fix in the rsa tests that I missed last time...
expand build_ffi helper function