Fix the precipitation and evaporation case statements to use either the original prate and pevpr (the latter is probably wrong since its units are W/m^{2} whereas FVCOM wants m/s) or P_E or Et (which are probably better choices). Also improve the help at the beginning by adding required fields in Mobj and adding an example usage section
Add example usage section
Add the required fields to the Mobj help. Also add an example usage section. Finally, tidy up some of the fprintf statements