Remove array of requests from RequestHandler to avoid confusion.
Remove array of requests from RequestHandler to avoid confusion.

Purdue-ACM-SIGAPP/SafeWalk,Purdue-ACM-SIGAPP/SafeWalk,Purdue-ACM-SIGAPP/SafeWalk,Purdue-ACM-SIGAPP/SafeWalk,Purdue-ACM-SIGAPP/SafeWalk,Purdue-ACM-SIGAPP/SafeWalk