- export vars via function 'export_env()' - PSI_RELEASES renamed to PSI_DEFINED_RELEASES - bugfixes - sub-command 'clear' fixed - sub-command 'whatis' partially fixed
- export vars via function 'export_env()' - PSI_RELEASES renamed to PSI_DEFINED_RELEASES - bugfixes - sub-command 'clear' fixed - sub-command 'whatis' partially fixed