Support conduit 1.0
Send HTTP request on demand with cursored/paginated API
Support conduit 1.0.
Stop when paginated API returns an empty response
Merge pull request #8 from chiro/conduit-1.0

Support conduit 1.0.
Merge remote-tracking branch 'eagletmt/on-demand-request' into master

Conflicts:
	Web/Twitter/Conduit/Api.hs
	Web/Twitter/Conduit/Fetch.hs
fix samples.
fix samples, and close issue #6.