Stringify method_name in frankly_map and app_exec
Stringify method_name in frankly_map and app_exec

Since we were using symbols for method_names in some of frankly_map calls, the latest version fails...

soundcloud/Frank,pskrz/Frank,Weeman360/frank-cucumber-pitchin,TestingWithFrank/Frank,quamotion/Frank,moredip/Frank,quamotion/Frank,Weeman360/frank-cucumber-pitchin,TestingWithFrank/Frank,TestingWithFrank/Frank,pskrz/Frank,soundcloud/Frank,moredip/Frank,quamotion/Frank,Weeman360/frank-cucumber-pitchin,soundcloud/Frank,Weeman360/frank-cucumber-pitchin,pskrz/Frank