Fixes the type signature for the `ap` method.
Adds gitignore/npmignore.
Changes global Either.
Points to packages that aren't yet upstream.
Minor copy fixes.

--HG--
extra : amend_source : 4ad90c7ef74d4b129e0a32c09d200dd621fbbd94
Bumps to 0.2.0
Added tag v0.2.0 for changeset 59ab46341491