Update Types.hs

Fixed doc.
Merge pull request #124 from aycanirican/patch-1

Update Types.hs
Add doc links
Fix attoparsec deprecation warning
Merge pull request #125 from sopvop/master

Fix attoparsec deprecation warning
serveSnaplet now uses httpServe

simpleHttpServe does not setup reverse proxy, this makes serveSnaplet
unusable behind proxy. Though user can add behindProxy combinator
to his routes, routes installed by snaplets, like heist will not work
properly.
Merge pull request #127 from sopvop/serveSnaplet

serveSnaplet should use httpServe
Update heist

Conflicts:
	snap.cabal
	test/snap-testsuite.cabal
Merge pull request #129 from sopvop/merge0.13

Update heist, merge from 0.13
Update tests for heist 0.14 api