chore: upgrade version name(1.7.1->1.7.2) code(62->63)

Author: Jacksgong

CHANGELOG-ZH.md

@@ -2,6 +2,21 @@
 
 > [ Change log in english](https://github.com/lingochamp/FileDownloader/blob/master/CHANGELOG.md)
 
+## Version 1.7.2
+
+_2018-03-14_
+
+#### 修复
+
+- 修复: 将原本所需要下载的文件大小为`0`的时候，回调错误，修改为直接回调完成。closes #789
+- 修复: 修复当存在另外一个正在下载的相同临时文件路径的任务时，数据库中存在数据未被删除的问题。closes #953
+- 修复: 修复在重试后重试之前下载的进度丢失的问题。closes #958
+- 修复: 修复当试探连接没有提供`Content-Range`字段，但是提供`Content-Length`字段时，计算出的总长度始终是`1`的问题。
+
+#### 性能与提高
+
+- 提高实用性: 当在响应头中不存在`Content-Length`字段时，使用隐藏在`Content-Range`中的内容大小数据。 cloese #968
+
 ## Version 1.7.1
 
 _2018-02-05_

CHANGELOG.md

@@ -2,6 +2,21 @@
 
 > [中文迭代日志](https://github.com/lingochamp/FileDownloader/blob/master/CHANGELOG-ZH.md)
 
+## Version 1.7.2
+
+_2018-03-14_
+
+#### Fix
+
+- Fix: do not download callback error when the instance length of the task is zero, callback complete directly instead. close #789
+- Fix: fix the temp duplicate data on the database isn't removed when there are another running task with the same temp file path. closes #953
+- Fix: the data lost when retry. cloese #958
+- Fix: fix the instance length is always `1` when the `Content-Range` isn't provided but the `Content-Length` is provided on the trial connection.
+
+#### Enhancement
+
+- Improve Practicability: using the content length value on the `Content-Range` field when there isn't `Content-Length` field found on the response header. closes #968
+
 ## Version 1.7.1
 
 _2018-02-05_

README-zh.md

@@ -59,7 +59,7 @@ Android 文件下载引擎，稳定、高效、灵活、简单易用
 在项目中引用:
 
 ```groovy
-compile 'com.liulishuo.filedownloader:library:1.7.1'
+compile 'com.liulishuo.filedownloader:library:1.7.2'
 ```
 
 > 如果是eclipse引入jar包参考: [这里](https://github.com/lingochamp/FileDownloader/issues/212#issuecomment-232240415)

README.md

@@ -26,7 +26,7 @@ FileDownloader is installed by adding the following dependency to your `build.gr
 
 ```groovy
 dependencies {
-    compile 'com.liulishuo.filedownloader:library:1.7.1'
+    compile 'com.liulishuo.filedownloader:library:1.7.2'
 }
 ```
 

gradle.properties

@@ -1,5 +1,5 @@
-VERSION_NAME=1.7.1
-VERSION_CODE=62
+VERSION_NAME=1.7.2
+VERSION_CODE=63
 BUILD_TOOLS_VERSION=26.0.2
 COMPILE_SDK_VERSION=26