New Req:protocol() -> http | https

Includes support for inets and mochiweb, but not others
Merge pull request #17 from evanmiller/req-protocol

New Req:protocol() -> http | https
Add pmod parse_transform from OTP
Add protocol() for yaws (with help from @jadahl)
Merge branch 'pmod-pt'
Pre-version bump
Fix for mochiweb 2.4.1
Adding DefaultValue for query_param and post_param. Added param func
Merge pull request #5 from ngaranko/master

Added DefaultValue for query_ and post_param functions inside request_wrapper