**BACKWARDS INCOMPATIBLE**: Please see the 'upgrade' section in the README.
Add support for filtering sensitive data from requests, matching query strings after the order changes and improving the built-in matchers, (thanks to mshytikov), support for ignoring requests to certain hosts, bump supported Python3 version to 3.4, fix some bugs with Boto support (thanks marusich), fix error with URL field capitalization in README (thanks simon-weber), added some log messages to help with debugging, added all_played property on cassette (thanks mshytikov)