Add verify function to hmac and hashes.
bind a few more things necessary for OpenSSL.crypto.  Also tweak some existing definitions to be more functional.
Define the newly-required CONDITIONAL_NAMES

None of these are conditional at the moment.
revert the time_t and BN_ULONG fixes
Merge remote-tracking branch 'mine/misc-simple-extras-with-optionals' into pyopenssl-test_crypto-with-optionals
Switch two types which were declared as opaque but are actually integers to an integer type so they can be passed to functions
merge base branch (misc-simple-extras-with-optionals)
add hmac_supported method to backend.

Previously we were implicitly assuming that if a hash was supported then
its hmac equivalent was as well.
fix erroneous indent and add abstractmethod to HMACBackend
Run py.test with catpure=no for more faster.
Merge pull request #338 from reaperhulk/hmac-supported-check

Add hmac_supported method to backend
Merge pull request #339 from dreid/pytest-s

Run py.test with capture=no for more faster.
add more skip check lambdas
Merge pull request #340 from reaperhulk/skip-checks-all-around

Add more skip check lambdas
Document our API stability policy. Fixes #312
Forgotten file
Note abotu development versions
Typo
Rephrase
Merge pull request #341 from alex/backwards-compat

Document our API stability policy. Fixes #312