Log Message:
Update misc/erlang-p1_utils to 1.0.8.

- Add p1_queue
- Only perform destructive operations in p1_file_queue:in/2
- Add garbage collector for file queues
- Add ram_to_file/1 and file_to_ram/1
- Improve exception names
- Implement limited queues
- Add ownership protection
- Add get_limit/1 and set_limit/2