NEW FEATURES:
- unsee() method in DDP objects to ignore visits
- new Web filter bundle parsing JSON, Cookies and HTTP Request/Response.
- DateTime filter now understands Time::Seconds and Time::Moment.
BUG FIXES:
- fixed show_tied, which was not working properly since the refactor.
- prevent non-ref counters from being refcounted
- fix floating point test error in unusual hardware/OS combinations.
OTHER:
- improved implementation of "seen" counter
- improved documentation
- removed unused code