- Update to version 1.5.0
* Fixed bug where setting always_show_hint=True did not show a
hint when completing Settables.
* Fixed bug in editor detection logic on Linux systems that do
not have which.
* Fixed bug in table creator where column headers with tabs
would result in an incorrect width calculation.
* Fixed FileNotFoundError which occurred when running history
--clear and no history file existed.
* Added silent_startup_script option to cmd2.Cmd.__init__().
If True, then the startup script's output will be suppressed.
Anything written to stderr will still display.