Fix deprecation warning: add Applicative instance to Monad
Fix deprecation warning: add Applicative instance to Monad

Conflicts:
	src/Snap/Internal/Test/RequestBuilder.hs

23Skidoo/snap-core,snapframework/snap-core,23Skidoo/snap-core,sopvop/snap-core,sopvop/snap-core,23Skidoo/snap-core,snapframework/snap-core,sopvop/snap-core,snapframework/snap-core