Made Q.removeEventListener more robust
Made Q.removeEventListener more robust

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