refactor Slanger::PusherMethods#subscription_klass
refactor Slanger::PusherMethods#subscription_klass

loggator/slanger,stevegraham/slanger,carlos-ramos-mojix-com/slanger,jiren/slanger,markburns/slanger,notnoopci/slanger,notnoopci/slanger,daande/slanger,loggator/slanger,shaicoleman/slanger,ambrish123456/testSlanger,ambrish123456/testSlanger,daande/slanger,amvse/slanger,markburns/slanger,jiren/slanger,carlos-ramos-mojix-com/slanger,shaicoleman/slanger,stevegraham/slanger,amvse/slanger