Improve README
Improve README
NSIRLConnection/AFHTTPSessionManager-AFUniqueGET,3lvis/AFHTTPSessionManager-AFUniqueGET,NSIRLConnection/AFHTTPSessionManager-AFUniqueGET,3lvis/AFHTTPSessionManager-AFUniqueGET,3lvis/AFHTTPSessionManager-AFUniqueGET,NSIRLConnection/AFHTTPSessionManager-AFUniqueGET