[fix] Make column operations work
[fix] Make column operations work

vcarrera/forever,arnabsinha4u/demo-documentation,kethle/forever,jqk6/forever,Jonekee/forever,rakyll/forever,ryan321/forever,saisai/forever,rbramwell/forever,kethle/forever,JJediny/forever,ryan321/forever,rbramwell/forever,saisai/forever,jotham/forever,JJediny/forever,jotham/forever,foreverjs/forever,nguyen-tien-mulodo/forever,Jonekee/forever,nguyen-tien-mulodo/forever,jqk6/forever,foreverjs/forever,ContinuumIO/forever,arnabsinha4u/demo-documentation,yyx990803/forever,rakyll/forever,yyx990803/forever,ContinuumIO/forever,vcarrera/forever