Add explicit #connect/#disconnect callback triggering
Standardize callback, cleanup code.
Added callback to adaptor connect function.
Merge branch 'dev' into standardize-callback

* dev:
  Add explicit #connect/#disconnect callback triggering

Conflicts:
	lib/digispark.js
Merge pull request #18 from hybridgroup/standardize-callback

Standardize callback, cleanup code.
Bump version to "0.8.0"