* add runner_fast_rate option
* unset default value for runner_fast_rate parameter
* add some commas
* Remove default in copy of argspec.
Co-authored-by: Sam Potekhin <eax24@ya.ru>
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Co-authored-by: Felix Fontein <felix@fontein.de>
Co-authored-by: Sam Potekhin <eax24@ya.ru>