Add a tag tracker. The tag tracker is not made the current tracker. It's ID is returned from the function for future use with tag tracking functions.
Push a tag tracker onto the tag tracker stack. The tag tracker at the top of the stack (if there is one) will be used to tag memory and handle allocations.
Pop a tag tracker from the tag tracker stack. The tag tracker at the top of the stack (if there is one) will be used to tag memory and handle allocations.