* Main run accepts a command parameter that overrides sysarg.
1.12.2
* Fix command pop in cli.
1.12.1
* Fix logging call.
1.12.0
* New commands: Python async functions.
1.11.1
* Minor compatibility fixes.
1.11.0
* Default logging level set as WARNING. * Return code logs level set as DEBUG. * DEBUG level shows commands list to be executed. * Command arguments log level set as DEBUG.