espeak formula landed in Homebrew
Add explicit #start/#halt/#connect/#disconnect methods
Cleanup code and standardize callback.
Added standard .travis file.
Merge pull request #9 from hybridgroup/standardize-callback

Cleanup code and standardize callback.
Fix issue with adaptor commands being overridden further up the chain.
Back to prototype, seems to work now?
Add details to package.json
Prep for release