Add changelog, add lost entry for 4.16.1

CHANGES.md

@@ -4,8 +4,9 @@ CKEditor 4 Changelog
 ## CKEditor 4.16.2
 
 Fixed Issues:
-
-* [#681](/~https://github.com/ckeditor/ckeditor4/issues/681): [IE] Fixed: Incorrect escape css for element id.
+* [#4666](/~https://github.com/ckeditor/ckeditor4/pull/4666): [IE] Introduce CSS.escape polyfill. Thanks to [limingli0707](/~https://github.com/limingli0707)!
+	* [#681](/~https://github.com/ckeditor/ckeditor4/issues/681): Fixed: Table elements (td, tr, th, ..) with an id that starts with dot (.) causes javascript runtime err.
+	* [#641](/~https://github.com/ckeditor/ckeditor4/issues/641): Fixed: UploadImage Plugin Widgets not working in IE, Opera, Safari, PhantomJS.
 * [#3638](/~https://github.com/ckeditor/ckeditor4/issues/3638): Fixed: Opening the same dialog twice causes it to become hidden under the dialog's page cover.
 * [#4247](/~https://github.com/ckeditor/ckeditor4/issues/4247): Fixed: [Color Button](https://ckeditor.com/cke4/addon/colorbutton)'s incorrect rendering on the first opening.
 
@@ -20,6 +21,7 @@ Fixed Issues:
 * [#4509](/~https://github.com/ckeditor/ckeditor4/issues/4509): Fixed: Incorrect handling of drag & drop inside [widgets](https://ckeditor.com/cke4/addon/widget) and nested editables.
 * [#4611](/~https://github.com/ckeditor/ckeditor4/issues/4611): [Android, iOS] Fixed: Incorrect hover styles for buttons in the toolbar on mobile devices.
 * [#4652](/~https://github.com/ckeditor/ckeditor4/issues/4652): Fixed: [Event data](https://ckeditor.com/docs/ckeditor4/latest/api/CKEDITOR_eventInfo.html) set to `false` is treated as an event cancelation.
+* [#4659](/~https://github.com/ckeditor/ckeditor4/issues/4659): Fixed: [`CKEDITOR.htmlParser`](https://ckeditor.com/docs/ckeditor4/latest/api/CKEDITOR_htmlParser.html) does not treat `--!>` as a comment end tag correctly.
 
 ## CKEditor 4.16