Added 'reachability' library.
Moved all 'request manager' sources to 'classes' folder
Added request options
Updated reachability check. Removed options
Fixed reachability default host
Renamed 'sendRequest' method to 'sendRequestWrapper'
Added removing requests by one and all
Added received HTTP-response to request wrapper
Removed unnecessery comment
Added request wrapper initialization without delegate
Added message to delegate when reachability failed
Added response async parsing
Refactored repsonse parsing
Updated multiton
Added complete/fail blocks to request wrapper
Refactored request wrapper.
Added category on NSURLRequest to run it with request manger
Added request factory
Added ability to remove requests from queue
Added spec for removing request from queue
Changed delegate methods to receive request not wrapper
Removed unused methods from queue
Added readme