This is the original Range Help fixed for 2.0.1 lua changes using the FixAddons program. Tested and seems to work fine. (Also since removed 2 bugs)
Type /rh to get to options.
= Note =
Automatic bar swapping is dead post 2.0.1. Many people ask for it and the answer is always the same. To swap bars you will have to press a key and macros are the best way to solve this now.