Adding a crasher command for crash testing.
Fix testsuite, adding new save_object test.
Adding missing pop_stack call
Fix crasher in f_uncompress_file
Crasher: adding type checking in f_ed().
Crasher: check type for f_remove_get_char().
Crasher: dump_prog type checking.
Crasher: f_localtime type check.
Crasher: f_terminal_color().
Crasher: unique_mapping crasher.
Crasher: save_object.
Crasher: remove_get_char on non-interactive object.
Crasher: localtime, is_daylight_saving crash.