Updates filter documentation. *value* now uses case insensitive filter
Merge pull request #283 from sudorandom/filter-docs

Updates filter documentation. *value* now uses case insensitive filter
Simplified the "reload" method which had an extraneous dictionary.
removed extraneous whitespace
Merge pull request #286 from SLsthompson/master

Simplified the "reload" method which had an extraneous dictionary.
Updated documentation to reflect changes to the github setup and installation procedures
Focused testing documentation on tox and cleaned up grammar
Added an 's' to 'versions'
Merge pull request #287 from SLsthompson/master

Cleaned up documentation related to installation and Contributing