Changelog for diagrams-core-0.2

0.1: 17 May 2011 * initial preview release 0.1.1: 18 May 2011 * link to new website 0.2: 3 June 2011 * bounding regions can now be overridden * new namePoint function for more flexibly assigning names to arbitrary points * add HasStyle, Boundable, and HasOrigin instances for lists * add a "trivial backend" * transformable attributes