Run Python code at startup.
startuppy [list] - prints the list of registered startup tasks.
startuppy add <filename or python path> [<virtualenv>] - add a task.
startuppy remove <taskname> - remove a task by name.
startuppy run - runs the stored tasks
Optional command line flag --config=<filename> to use a different
configuration file.
If --config is missing, the default configuration file is used, which is
probably determined by the user and the operating system.