Loads a patch dynamically.
Index of the rack where to load the patch.
If the rack doesn't exists at this index, it will
created and added at the end of the racks list in the workspace.
Position (order) of the patch in the rack.
If the patch doesn't exists at this index, it will created and
added at the end of the patches list in the rack.
If the file doesn't exist Usine try to locate it in the following folders:
Loads the file when it recieves a 1 trigger.
Name of the file to load.
Sends a 1 value when loaded.