2020.0.0: Stable release of ksh-2020.0.0

2020.0.0-beta1: First beta release of ksh-2020.0.0

See CHANGELOG.md for detailed changes.

First alpha release of ksh-2020.0.0

See CHANGELOG.md for detailed changes.

Set ksh version to 2017.0.0-devel

See att#335 for discussion

AT&T AST release of version ksh93v- to Github

AT&T AST release of version ksh93u+ to Github

AT&T AST release of version ksh93v- to Github

AT&T AST release of version ksh93u+ to Github