Deal with nulls in json data (missing points)
Deal with nulls in json data (missing points)

qwhelan/asv,giltis/asv,mdboom/asv,spacetelescope/asv,pv/asv,edisongustavo/asv,ericdill/asv,ericdill/asv,edisongustavo/asv,pv/asv,pv/asv,qwhelan/asv,qwhelan/asv,waylonflinn/asv,ericdill/asv,waylonflinn/asv,ericdill/asv,edisongustavo/asv,airspeed-velocity/asv,mdboom/asv,airspeed-velocity/asv,spacetelescope/asv,mdboom/asv,airspeed-velocity/asv,giltis/asv,waylonflinn/asv,pv/asv,spacetelescope/asv,spacetelescope/asv,giltis/asv,airspeed-velocity/asv,qwhelan/asv,mdboom/asv