Allow dict access using const char *
Allow dict access using const char *

cryos/tomviz,cryos/tomviz,OpenChemistry/tomviz,OpenChemistry/tomviz,cryos/tomviz,mathturtle/tomviz,OpenChemistry/tomviz,OpenChemistry/tomviz,mathturtle/tomviz,mathturtle/tomviz