* 0.1.1 (3 July 2017)

  allow base-4.10 for GHC-8.2
  some minor optimizations
  add QC tests

* 0.1.0.1 (14 February 2016)

  allow base-4.9 for GHC-8.0

* 0.1 (19 April 2015)

  initial release, in conjunction with `diagrams-1.3` --- some
  functionality split out from `diagrams-lib`