remove duplicate code in toThunk
Release 3.0.6
remove unused toString
remove setImmediate shim, add platform compat notes to readme
Update http example to work immediately

Currenty version of superagent passes something truthy to the first argument of the callback so co thinks this is an error.  Doesn't happen with request.
negligible Spelling
svg badge for build status
use a closure instead of .bind()
update deps, use bluebird instead of q
better error message when a non-yieldable is yielded
preserve key ordering

thanks @greim. closes #120 closes #121
3.1.0