update cpgf to use this instead of extraneous $this
update dynamic QObject to use this instead of extraneous $this
refactor method
convert to QString automatically
update examples
update cpgf
refactor qt class extending (add sugar)
improve qtjs api
move api impl to its file
automate debug/release passing to cpgf
update cpgf
return stateful widget example
keep v8 object until its freed by cpp
reorder qml example
Merge pull request #13 from svalaskevicius/feature/improve-client-api

improve readability on the client code