Merge pull request #6 from basvandijk/master

Support monad-control-0.3
Bump version to 0.2.0.4
Added tag 0.2.0.4 for changeset f3fc5de81581
takeResource, destroyResource and putResource
Async exception protection on withResource
Merge
Merge
Bump version to 0.2.1.0
Added tag 0.2.1.0 for changeset 1453c7d3314f
Merge
Make GHC 7.6 happy
Bump version to 0.2.1.1
Added tag 0.2.1.1 for changeset ccaa7c42c382
Implement tryTakeResource, tryWithResource
Merge pull request #11 from kim/master

Non-blocking versions of 'withResource', 'takeResource'
Prevent the finalizer to run early
Use mkWeakIORef for finalization of `LocalPool`s

This is essentially rebasing #14 on top of #15, as the former had the same
"early finalizer" issue.