v0.11.3

Fixed

• Mouse Events: Fix item-based doubleclick events (#1316).

• Overhaul the caching of bounds and matrix decomposition, improving reliability
  of Item#rotation and #scaling and fixing situations caused by wrongly
  caching Item#position and #bounds values.

• Prevent consumed properties in object literal constructors from being set on
  the instance.

Changed

• Make all functions and accessors enumerable on all Paper.js classes.