Merge tag 'v0.2.0' into develop

RLS: promiumbookmarks v0.2.0

* tag 'v0.2.0':
  RLS: setup.py: version=0.2.0
RLS,DOC,CLN: setup.py description, classifiers, README.rst, HISTORY.rst, .gitignore
Merge branch 'release/0.2.1'

* release/0.2.1:
  RLS,DOC,CLN: setup.py description, classifiers, README.rst, HISTORY.rst, .gitignore