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Merg branch 'devlop'

Conflicts:
	Req_Resp_Interface_blocks.xcodeproj/project.xcworkspace/xcuserdata/tangbineml.xcuserdatad/UserInterfaceState.xcuserstate
	Req_Resp_Interface_blocks/ViewController.m
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sucess
Merge branch 'master' of github.com:githhhh/TestProject into devlop
使用AFNetWorking 简化实现
Conflicts:
	Req_Resp_Interface_blocks.xcodeproj/project.xcworkspace/xcuserdata/tangbineml.xcuserdatad/UserInterfaceState.xcuserstate