For changes prior to version 1.14, see the file NEWS. For a more detailed list of changes, see the ChangeLog. September 17, 2019: Release 1.16. This release consists of bugfixes and minor portability improvements. A potential arithmetic overflow was fixed. Rotation angles are now normalized to between -180 and 180. We now use binary file I/O on the OS/2 platform. The test suite tolerances were adj
