Added but haven't used ChemTabl
Before changes that will alter the results.
Added in optimizations from Kareem.
Results from gearproc are currently:
   Max  =   8.819316628546657623811789175258837E-0010
   Mean =   3.695324632725830753419521841913095E-0013
   Std  =   5.240100518479359891714028047851416E-0012

cxgood is in the GearProc directory. These were generated before optimizations.