Bumped version to 5.2.1

Update the CHANGELOG

CHANGELOG.md

@@ -1,3 +1,12 @@
+## [5.2 Patch, on Oct 1st, 2019](https://github.com/rs/SDWebImage/releases/tag/5.2.1)
+See [all tickets marked for the 5.2.1 release](https://github.com/SDWebImage/SDWebImage/milestone/46)
+
+### Fixes
+- Make the SDWebImageDownloadToken to not retain the completion block so that user don't need weak-strong dance #2856 #2855
+
+### Tests
+- Try to fix the test case `test15DownloaderLIFOExecutionOrder` #2857
+
 ## [5.2.0 - Mac Catalyst && HEIC Animation, on Sep 27th, 2019](https://github.com/rs/SDWebImage/releases/tag/5.2.0)
 See [all tickets marked for the 5.2.0 release](https://github.com/SDWebImage/SDWebImage/milestone/43)
 

SDWebImage.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name = 'SDWebImage'
-  s.version = '5.2.0'
+  s.version = '5.2.1'
 
   s.osx.deployment_target = '10.10'
   s.ios.deployment_target = '8.0'

WebImage/Info.plist

@@ -15,11 +15,11 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>5.2.0</string>
+	<string>5.2.1</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>5.2.0</string>
+	<string>5.2.1</string>
 	<key>NSPrincipalClass</key>
 	<string></string>
 </dict>