Refactor the LOSCalculator to rely on an abstract class shared with ATC.
Add handling of setters in Patcher.
Refactor some class properties so they can be enumerated.
Allow blocking objects to be updated without clearing cache so variations can be compared. (E.g., with or without specific tokens blocking.)
Fixes for Area2d test for tokens blocking.
Pass through type of vision/movement when creating token points.
Fix for token obstacles getting deleted when Rideable is active.
Don't treat tokens as blocking if they overlap the viewer or target. Closes issue #72.
Update lib geometry to v0.2.16.
Full Changelog: 0.6.2...0.6.3