Added

• Coverage support for zsh and ksh. (#62)
• Respect NO_COLOR environment variable.
• Support busybox-w32 ash for windows.
• Added Assert expectation to assert side effects of system environment.
• Added Dump helper - dump stdout, stderr and status for debugging.
• Added line and word subject. (of stdout (output) can be omitted now)
• Added --log-file option to specify log file for %logger and trace.
• Implement --xtrace (--xtrace-only) feature.

Changed

• Upgrade to alpine 3.12 for docker image and officially release shellspec/kcov docker image.
• Separate a file descriptor for reporting and stdout to able to use echo in specfile.
• Minor specification change of result modifier and satisfy matcher.
• -r option is now a short option for --repair, not --require.
• Use [debian/eol(https://hub.docker.com/r/debian/eol/) docker images for old debian tests.

Fixed

• Before/After hooks should not consume stdin data (#82)