Memory Leak Fixed - handleOriginLookupTimer was causing unbounded memory allocation growth using Instruments/Allocations due to caching.
Merge pull request #75 from jtmilne/master

"Optimisation: NSURLCache cache memory usage for lookup requests"

iOS should be managing that cache and flushing as needed. Nonetheless, we are happy to accept this change as an optimization. Thanks for the contribution!  Shoot an email to support@pubnub.com, and we'll send you a thank you gift for your time and effort!