Adds icons.
Adds initial documentation.
readme.rst: Updates links to wpull.readthedocs.org.
doc/conf.py: Adds readthedocs mocks.
Adds WIP docstrings.
Adds remaining docstrings.
Adjusts namedtuple types names so doc can work.
Fixes docstring syntax errors.
Adds requirements-sphinx.txt for Read the Docs.
Removes modules with C extensions from requirements-sphinx.txt.
Attempts to fix Read the Docs by making lxml mocked.
Bumps version to 0.10.9.

Merge branch 'develop'

Conflicts:
	wpull/version.py