HttpAgent
一个针对项目，而不是具体网络请求库的框架。设计统一的网络请求Request和响应Response接口，只需要针对不同的网络库进行单独实现，即可做到不修改具体的业务逻辑就能替换基础网络库的方案。
Features
// TODO
Getting Started
// TODO
为什么要使用该库
众多Android开源网络库造成了开发者的选择困难，而项目又在紧张的进行中，开发者没有足够的时间去选择更好的库。怎么办？
HttpAgent 可以避免开发者陷入具体实现中，只需要根据定义好的接口编程，即可在保证项目进度的前提下，进行具体的实现。而实现也非常简单，只要实现抽象方法即可。
Copyright & License
Copyright 2015 Liu Wenzhu
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.