Various consistency updates in documentation.

- Consistent docblock formats
- Standardize on Sphinx param formatting
- Word wrap super long lines in README and LICENSE
- Add some missing doc blocks
- Add TODO items where doc blocks need explanation
- Simplify some wording
- Remove a few needless blank lines
- Fix some minor comment formatting (PEP8 consistency)
Removes Filter Modifications. 'Operation' is now required.

* Impacts API when using filters. Has a documentation impact
Merge pull request #63 from sudorandom/master

Removes Modification to Filter Structure
Fix typo in CCI VLAN filters
Removes Filter Modifications. 'Operation' is now required.

* Impacts API when using filters. Has a documentation impact
Manually merged #61

Fixes #61