Merge pull request #1 from koma75/develop

release 0.1.0
fix package.json.  add more explanation in README.
add method descriptions.
fix default to sequential mode.
maintenance fix release
increased scope of test.
* test large number of sequential calls for stack overflow
* test sequential and parallel calls dispatch order
added caution for call stack overflow problem and a method to avoid them.
added dispatch(done) method.
fixed self=this to => for syntactic cleanness
test fixed to use dispatch() instead of dispatchNext()
Merge branch 'develop' of https://github.com/koma75/jglr into develop