Here are a few more to add to you tool pouch.
1. Cell Phone - Because if this thing has a real problem you probably can't fix it and you will need a ride or a trailer.
2. Electrical Tape - You know why I don't need to explain it.
3. Zip Ties - Shit comes loose (or you cut it loose) and it needs tied back up.
4. Clip Removal Tool - Because these plastic clips hold 25% of our Rangers together, you might want to carry a few extras for the ones you loose or break.
5. Cordless Chainsaw - In the woods sometimes things are in your way that can't easily be moved. These solve lots of problems!
And as Clubin suggest plenty of things to improve your attitude when "Shit Happens"