Made API more CORS-friendly, removed duplicate headers
Made API more CORS-friendly, removed duplicate headers

Adaptivity/modlist,GrygrFlzr/modlist,ZeroLevels/modlist,ZeroLevels/modlist,GrygrFlzr/modlist,ZeroLevels/modlist,Adaptivity/modlist,Adaptivity/modlist,GrygrFlzr/modlist