Changelog for diagrams-0.2.2.2

Version 0.2.2.2: December 3, 2010 * Update containers dependency * Tested with GHC 7.0.1 Version 0.2.2.1: November 13, 2010 * update cairo dependency; compiles fine with cairo 0.12 Version 0.2.2: November 2, 2010 * update mtl dependency to 2.0. Note that due to the changed definition of Cont, this version does NOT compile with versions of mtl previous to 2.0. If you need to use a version of mtl < 2.0 then stick with 0.2.1.3 for now. Version 0.2.1.3: May 30, 2010 * update cairo version range to allow 0.11 * include example files in distribution tarball Version 0.2.1.2: March 18, 2010 * widen some dependency version ranges to include new releases that still work. * remove some redundant imports. Version 0.2.1.1: September 25, 2009 * builds with colour-2.3.1, so update allowable version range Version 0.2.1: September 24, 2009 * new shape primitive 'arc' * multi-page PS/PDF output (Ganesh Sittampalam) * new grid layout combinators (Ganesh Sittampalam) * new primitives for generating rounded rectangles and rectangular paths * more path functions, and new path layout 'positionAlong' * various bug fixes and minor improvements Version 0.2: January 31, 2009 * rawCairo function for creating primitive diagrams from raw Cairo code * line join, cap, and dashing attributes * bouding box visualization functions for debugging * new padding and positioning combinators * PDF, PS, and SVG output * experimental tree layout * paths, polygons, bezier curves * create diagrams from text * render on top of arbitrary background images * depend on colour package instead of built-in colors * new examples: snellen, wordcloud, dragon * emptyPath and pathConcat