Release 23.2: Enable foreach(..., spinner=False)

Release 23.1: Enable control over command pool spinners (xolox#2)

Release 23.0: Release discovery improvements

Release 22.0: Python 2.6 and 3.4 are out, 3.8 is in

Release 21.3: Improve ionice integration (support busybox)

Release 21.2: Enable selective sudo for file reading/writing

Release 21.1.1: Guard against binary data in /etc/lsb-release (xolox#10…

…, xolox#15)

Release 21.1: Parse /etc/lsb-release when `lsb_release' unavailable

Release 21.0: Implement Python 3.7 compatibility (fixes xolox#9)

See the following issue and pull requests on GitHub:

 - xolox#9
 - xolox#11
 - xolox#13

Release 20.0.1: Improve ionice compatibility