Small improvement to avoid sending empty array to server
Small improvement to avoid sending empty array to server

mircealungu/Zeeguu-API-iOS,mircealungu/Zeeguu-API-iOS,JorritO/Zeeguu-API-iOS,JorritO/Zeeguu-API-iOS,mircealungu/Zeeguu-API-iOS,JorritO/Zeeguu-API-iOS