Fixes bug related to correct qubit in legend label for a Cphase analysis. Also minor cleanup of MultiCZgate_Calib_Analysis and CPhaseLeakageAnalysis.
Fixes bug related to correct qubit in legend label for a Cphase analysis. Also minor cleanup of MultiCZgate_Calib_Analysis and CPhaseLeakageAnalysis.

QudevETH/PycQED_py3