allow users to use logical operators in filter
allow users to use logical operators in filter

Withington/phenopolis,pontikos/phenopolis,Withington/phenopolis,phenopolis/phenopolis,pontikos/phenopolis,pontikos/phenopolis,pontikos/phenopolis,phenopolis/phenopolis,phenopolis/phenopolis,pontikos/phenopolis,Withington/phenopolis,Withington/phenopolis,phenopolis/phenopolis