new addConfigContents() call

This is especially useful when the contents of the config doesn't actually
come from the file (or the contents of the file is modified before it's
registered in this system).

Fixes issue #6.
Merge pull request #7 from drewfish/nopath

new addConfigContents() call
version 0.4.0
make _parseConfigContents synchronous
Merge pull request #8 from redonkulus/sync-parse-config

Make _parseConfigContents synchronous