0.3

• Change header, hasHeader and lookupHeader to use HeaderName instead of ByteString for the lookup key.

0.2.1

• Update WAI version bounds to include 2.1

0.2

• Rename getRequest predicate to request and request method of HasRequest to getRequest.
• Add MonadTrans and MonadIO instance declarations for ResultT and some helper functions.

0.1

• Initial release.