Switched to using crypto:hmac/3
Switched to using crypto:strong_rand_bytes/1
Exported oauth:signature/5 function
Erlang/OTP R16B03 or greater now required
Added support for new crypto:hmac/3 function
Moved unit tests from github.com/tim/erlang-oauth-tests
Added oauth:get/3 and oauth:post/3 functions
Collapsed into just a single module