SimTools added. r68 and convType incoroprated into MCSTATS. PSF added to FermiPSF module. Helper functions added to MCSTATS.  Still need to add BDT tools and flux argument to AddPointSource.
SimTools added. r68 and convType incoroprated into MCSTATS. PSF added to FermiPSF module. Helper functions added to MCSTATS.  Still need to add BDT tools and flux argument to AddPointSource.