lio-http-server rewrite!

[deian]

• Finish up LIO.HTTP.Server. Mostly there, see: 0309ad
• Define Show instances for Request and Response.
• Expose Status, Query and anything else you might need to do basic things. 0309ad
• Expose friendly response combinators See this and this
• Build some example servers.
• Controller monad. See this or this
• Pattern-matching routes.
• Port mustache to lio