Derive some typeclasses for ByteRange
Allow case-insensitive 1.2
Merge pull request #44 from sol/master

Allow case-insensitive-1.2.*
Merge pull request #43 from snoyberg/master

Derive some typeclasses for ByteRange
update and clean up cabal file
Remove trailing whitespace
Add additional HTTP status codes as per RFC 6585 (close #45)