Firebase Update

express-server/node_modules/websocket-extensions/CHANGELOG.md

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+### 0.1.3 / 2017-11-11
+
+* Accept extension names and parameters including uppercase letters
+* Handle extension names that clash with `Object.prototype` properties
+
+### 0.1.2 / 2017-09-10
+
+* Catch synchronous exceptions thrown when calling an extension
+* Fix race condition caused when a message is pushed after a cell has stopped
+  due to an error
+* Fix failure of `close()` to return if a message that's queued after one that
+  produces an error never finishes being processed
+
+### 0.1.1 / 2015-02-19
+
+* Prevent sessions being closed before they have finished processing messages
+* Add a callback to `Extensions.close()` so the caller can tell when it's safe
+  to close the socket
+
+### 0.1.0 / 2014-12-12
+
+* Initial release