Help functions,  Shaft calc, combine solver

Created Help functions for each library function
Added names and comments for each library function

Combined the Conditions block with the iterative NR w Jac Calc block
- Now with setup you need to only place INRJC block and do...while block
and connect.
Updated shaft block to use interia insteady of 60/(2pi* Inertia)
Updated setup scripts to use new Inertia value