A debate over backyard chickens in Casselberry is now headed to City Hall.Earlier this month, News 6 introduced viewers to Casselberry homeowner Lindsay Feist, who said a code compliance complaint left her with just 10 days to get rid of the hens she had raised for years.Feist said she believed she was following the rules when she started keeping the chickens and later learned they were not allowed under city regulations.Instead of getting rid o…