No more in operator, checking for undefined is much much faster
No more in operator, checking for undefined is much much faster

clhenrick/carto,stefanklug/carto,madeinqc/carto,tomhughes/carto,1ec5/carto,gravitystorm/carto,CartoDB/carto,midnightcomm/carto,mapbox/carto,pnorman/carto,CartoDB/carto,whitelynx/carto