Revert

Somehow adding 2>&1 broke the code. Will look into it tomorrow
Revert

Somehow adding 2>&1 broke the code. Will look into it tomorrow.
Gosh-darn merge conflics
Reformat a bit of code
Update pid2cmd.sh
Added "[USU Mode]" tag to echo to tell user usu.sh is running

I also did some misc changes to the file, an important change:

IMPORTANT: The script now returns 0 when no error has been detected and -1 when an error occurs. This change should be stable enough to push directly to master.