Fix instantiate parameter passing to not skip the first param.
Ensure subset filter absence does NOT filter the subset.
Disable plugins that fail to instantiate.
Adjust parent module discovery to use require's module.parent.
Make glob silent about errors, handle them via exception or error param.
Nullify callback on glob async error, avoid double dipping (glob bug).
Adjust depend to check the actual dependency, not the plugin, oops.
Adjust root() fail condition to spot root path on all platforms.
Clarify Array pseudo status of Sokkit instances.
Add test instructions.
Tidy up some wording.
Bump to 0.4.0
Test suite! With 100% coverage according to istanbul.