Added jb_chg_str.py
Added jb_chg_str.py

frib-high-level-controls/FLAME,frib-high-level-controls/FLAME,mdavidsaver/jmbgsddb,frib-high-level-controls/FLAME,frib-high-level-controls/FLAME,mdavidsaver/jmbgsddb,frib-high-level-controls/FLAME,frib-high-level-controls/FLAME,mdavidsaver/jmbgsddb,mdavidsaver/jmbgsddb