Added vFv Plotter
Finsihed adding vFv plottiing. perhaps add a way to disply params
Fixed up colors. still need to comment
Added counts plot with models. no best fit as of yet
Added fit info printing
added DOF and stat name readout to file
Finsihed stat writeout
fixed up some colors
added return to marg plots
added BandBB model. Modified lots. Consistent with Binbins code
adding docstrings