A point release on top of v0.5.1 to fix some bugs and shortcomings. Most important changes:
- #132: CI: add tests for MSYS2 environments
- #127: bin/base64: compile on Windows by emulating writev(2)
- #126: bin/base64: ignore newlines when decoding
- #125: portably detect word size, now works properly on Windows
- #6: benchmarks: compile on Windows