Fixing so remove function can handle only string values
Fixing so remove function can handle only string values

rasmusbe/papi,ekandreas/papi,wp-papi/papi,nlemoine/papi,nlemoine/papi,isotopsweden/wp-papi,rasmusbe/papi,wp-papi/papi,nlemoine/papi,isotopsweden/wp-papi,isotopsweden/wp-papi,ekandreas/papi,wp-papi/papi,rasmusbe/papi,ekandreas/papi