RLS: HISTORY.txt, pyline/__init__.py, setup.py: set version to v0.3.2
Merge branch 'release/0.3.2'

* release/0.3.2:
  RLS: HISTORY.txt, pyline/__init__.py, setup.py: set version to v0.3.2
  DOC: pyline/pyline.py: docstrings, import path as pathpy
  BUG: pyline/__init__.py: Set pyline.pyline.__main__ correctly
  DOC: usage.rst: add :shell: option to 'pyline --help' output
  DOC: HISTORY.rst: link to Source: http://code.activestate.com/recipes/437932-pyline-a-grep-like-sed-like-command-line-tool/
  DOC: README.rst
  ENH: Add pyline.__main__ (pyline.pyline.main) for 'python -m pyline'
Merge tag 'v0.3.2' into develop

RLS: pyline v0.3.2

* tag 'v0.3.2':
  RLS: HISTORY.txt, pyline/__init__.py, setup.py: set version to v0.3.2