BUG: phi angle is now Rad everywhere MAINT: comments, clean up
BUG: phi angle is now Rad everywhere
MAINT: comments, clean up

YannickDieter/testbeam_analysis,YannickDieter/testbeam_analysis,YannickDieter/testbeam_analysis,SiLab-Bonn/testbeam_analysis,SiLab-Bonn/testbeam_analysis,YannickDieter/testbeam_analysis,SiLab-Bonn/testbeam_analysis,SiLab-Bonn/testbeam_analysis