GHC 7.7 compatibility

==# now returns Int#, not Bool
Merge pull request #7 from bgamari/master

GHC 7.7 compatibility
GHC 7.7 compatibility

==# now returns Int#, not Bool
Bump 1.1 version for GHC compatibility
Add missing type signature for isTrue#.
Merge branch '1.1-stable'

Conflicts:
	hashtables.cabal
	src/Data/HashTable/Internal/CacheLine.hs
Merge branch 'master' into interleave