Merge pull request #3 from zudov/get_item

Added `getItem`
100% haddock coverage
added dead field
added Attribution, issue #6
Merge pull request #8 from zudov/attribution

added Attribution, issue #6
Removed `*With` functions.
Web.HackerNews.Types reexports from Endpoint

Web.HackerNews.Types now reexports only types from Endpoint.
Merge branch 'master' into wreq

Conflicts:
	src/Web/HackerNews.hs
	src/Web/HackerNews/Client.hs
	src/Web/HackerNews/Endpoint.hs