(#3) document some tasks
(#3) fix link
(#3) stubs, README
(#3) Getting started
(#3) API doc, typo
wip
(#3) changelog
(#3) oops
Merge branch 'feature-0.3.x/3-docs' into release-0.3.x

* feature-0.3.x/3-docs:
  (#3) oops
  (#3) changelog
  wip
  (#3) API doc, typo
  (#3) Getting started
  (#3) stubs, README
  (#3) fix link
  (#3) document some tasks