Updates CHANGELOG with release details and links to PRs

- Corrects verbiage in attributions for new entries.

Author: jereme

CHANGELOG.md

@@ -40,17 +40,20 @@ All notable changes to this project will be documented in this file.
 
 ## [4.0.0](https://github.com/Nike-Inc/SQift/releases/tag/4.0.0)
 
+Release on 2018-11-30.  All issues associated with this milestone can be found using this
+[filter](https://github.com/Nike-Inc/SQift/milestone/7?closed=1)
+
 #### Added
 - Migration Guide for SQift 4 and added it to the README.
-  - Added by [Jereme Claussen](https://github.com/jereme)
+  - Added by [Jereme Claussen](https://github.com/jereme) in Pull Request [#16](https://github.com/Nike-Inc/SQift/pull/16).
 
 #### Updated
 - Deployment targets to iOS 9.0, Mac OSX 10.11, WatchOS 2.0 and tvOS 9.0.
-  - Added by [Jereme Claussen](https://github.com/jereme)
+  - Updated by [Jereme Claussen](https://github.com/jereme) in Pull Request [#16](https://github.com/Nike-Inc/SQift/pull/16).
 
 #### Removed
 - `Connection.trace` in favor of `Connection.traceEvent()`
-  - Added by [Jereme Claussen](https://github.com/jereme)
+  - Removed by [Jereme Claussen](https://github.com/jereme) in Pull Request [#16](https://github.com/Nike-Inc/SQift/pull/16).
 
 ---