lots of cleanup; introduce proper grapher usage; move table writing to after eff dicts are created; new "event eff"; other stuff;
lots of improvements on the grapher class
add in muon selection; new method of choosing before/after sitv; comment out nSIT function; sort out file input and output
modify grapher to create TGraphErrors
add in errors and error propogation; jetmulti and bmulti; muon and dimuon selections; will require modifying histo file access when all new files are produced;