API: Cards, new filter is_main, filters nams and idol_main_unit now accept multiple values
API: Cards, new filter is_main, filters nams and idol_main_unit now accept multiple values

SchoolIdolTomodachi/SchoolIdolAPI,rdsathene/SchoolIdolAPI,dburr/SchoolIdolAPI,SchoolIdolTomodachi/SchoolIdolAPI,rdsathene/SchoolIdolAPI,dburr/SchoolIdolAPI,rdsathene/SchoolIdolAPI,dburr/SchoolIdolAPI,SchoolIdolTomodachi/SchoolIdolAPI