Papyrus 0.9.0 released

  • With this release papyrus changes from GPLv3 to LGPLv3.

    This release also contains a rewrite of the extents calculation mechanisms (fixing some issues with viewboxes) and the controller hierarchy.

    Other changes include the addition of a new shape Annulus (aka donut, ring), extended documentation including a brief discussion on the role of MVC within papyrus, and a few other code cleanups and bug fixes.