Fixed Q/columns pop() to use new max convention
Fixed Q/columns pop() to use new max convention

EGreg/Platform,EGreg/Platform,AndreyTepaykin/Platform,EGreg/Platform,AndreyTepaykin/Platform,Qbix/Platform,Qbix/Platform,EGreg/Platform,Qbix/Platform,AndreyTepaykin/Platform,AndreyTepaykin/Platform,Qbix/Platform