load subcmd command [Trepan-subcmd-module]

Load debugger subcommands of command command. [Trepan-subcmd-module] is the file name a Devel::Trepan subcommand module. If not given, we'll reload all subcommands under command. This may or not be in the directory you were expecting; beware when reloading everything.

This command is useful if you want to add, change, or fix a debugger command while inside the debugger.