Update changelog

Author: louisdh

CHANGELOG.md

@@ -6,6 +6,7 @@ CHANGELOG
 
 | Contents                        |
 | :------------------------------ |
+| [2.0.0](#200-2017-12-05)        |
 | [1.0.0](#100-2017-03-20)        |
 | [0.9.0](#090-2017-03-08)        |
 | [0.8.2](#082-2017-02-23)        |
@@ -14,20 +15,23 @@ CHANGELOG
 
 </details>
 
-2.0.0 (TBD)
+[2.0.0](https://github.com/louisdh/panelkit/tree/2.0.0) (2017-12-05)
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-* Updated to Swift 4.0
-* Requires iOS 10.0 or newer
-* Panel resizing 
+* Multi-pinning, pin multiple panels to a side
+* Panel resizing
+* State restoring, save and load panel states
+* Added APIs to pin or float a panel, without the use of a popover
 * Improved documentation
+* Updated to Swift 4.0
 * Added PanelViewController convenience initializer
 * Maintain panel at drag position when unpinned
 * Respect dragInsets when adjusting panel position for keyboard
-* Added preferredPanelPinnedWidth: specifies width for panel while pinned, which can now differ from the panel width while floating
+* Added preferredPanelPinnedWidth API: specifies width for panel while pinned, which can now differ from the panel width while floating
 * Fixes UITableViewCell swipe actions on iOS 11
 * PanelContentDelegate: add panelDragGestureRecognizer(shouldReceive: touch) API
 * Improved debug logging
 * Improved performance
+* Removed iOS 9 support (iOS 10.0 or newer is now required)
 
 [1.0.0](https://github.com/louisdh/panelkit/tree/1.0.0) (2017-03-20)
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