[Snyk] Upgrade engine.io from 1.4.0 to 1.8.5

[snyk-bot]

Snyk has created this PR to upgrade engine.io from 1.4.0 to 1.8.5.

ℹ️ Keep your dependencies up-to-date. This makes it easier to fix existing vulnerabilities and to more quickly identify and fix newly disclosed vulnerabilities when they affect your project.

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• The recommended version is 29 versions ahead of your current version.
• The recommended version was released 4 years ago, on 2017-12-27.

The recommended version fixes:

Severity	Issue	PriorityScore (*)	Exploit Maturity
	Regular Expression Denial of Service (ReDoS) npm:ms:20151024	479/1000 Why? Has a fix available, CVSS 5.3	No Known Exploit

(*) Note that the real score may have changed since the PR was raised.

Release notes

Package name: engine.io

• 1.8.5 - 2017-12-27
• 1.8.4 - 2017-04-28
• 1.8.3 - 2017-02-16
• 1.8.2 - 2016-12-10
• 1.8.1 - 2016-11-27
• 1.8.0 - 2016-11-20
• 1.7.2 - 2016-10-23
• 1.7.1 - 2016-10-20
• 1.7.0 - 2016-10-05
• 1.6.11 - 2016-06-24
• 1.6.10 - 2016-06-24
• 1.6.9 - 2016-05-03
• 1.6.8 - 2016-01-25
• 1.6.7 - 2016-01-11
• 1.6.6 - 2016-01-08
• 1.6.5 - 2016-01-05
• 1.6.4 - 2015-12-04
• 1.6.3 - 2015-12-01
• 1.6.2 - 2015-11-30
• 1.6.1 - 2015-11-29
• 1.6.0 - 2015-11-28
• 1.5.4 - 2015-09-09
• 1.5.3 - 2015-09-09
• 1.5.2 - 2015-07-09
• 1.5.1 - 2015-01-19
• 1.5.0 - 2015-01-18
• 1.4.3 - 2014-11-21
• 1.4.2 - 2014-10-27
• 1.4.1 - 2014-10-03
• 1.4.0 - 2014-09-03

from engine.io GitHub release notes

Commit messages

Package name: engine.io

• 56b0b61 [chore] Release 1.8.5
• 77ca652 [chore] Bump ws to version 1.1.5
• db6b00e [chore] Release 1.8.4
• 5630295 [revert] "[feat] Add an option to toggle handling of OPTIONS requests (Setting disconnected = true prior to firing disconnect event, to avoid sc socketio/socket.io#484)"
• a63c7b7 [fix] Fix null payload when aborting connection (Properly getting a socket by ID socketio/socket.io#503)
• fc38289 [chore] Bump ws to version 1.1.4 (Closing a server does not disconnect clients socketio/socket.io#495)
• 9ce57b9 [feat] Add an option to toggle handling of OPTIONS requests (Setting disconnected = true prior to firing disconnect event, to avoid sc socketio/socket.io#484)
• f0bbc67 [chore] Release 1.8.3
• bf78cfd [chore] Bump ws to version 1.1.2 (vulnerability fix) (Socket.IO appears to stop responding. socketio/socket.io#480)
• 10e3802 [chore] Release 1.8.2 (Not working with XHTML documents socketio/socket.io#460)
• 7995509 [fix] Add proper response when handleUpgrade fails (Fix for IE8 "Stack Overflow" Error. socketio/socket.io#458)
• dd854a8 [test] Use explicit versions for travis tests (access-control-allow-origin socketio/socket.io#457)
• b5292c7 [refactor] Remove deprecated code used for nodejs v0.8 (Socket.io npm install failed socketio/socket.io#456)
• 7bbe456 [chore] Bump engine.io-parser to version 1.3.2 (Added socket.io-flashsocket default port socketio/socket.io#455)
• 01c6a12 [perf] websocket optimisation (Socket.IO.js build:0.7.5 at line 2547 socketio/socket.io#453)
• 8450d03 [docs] Rename ServerRequest to IncomingMessage (inline flash policy request broken socketio/socket.io#448)
• a1a0016 [chore] Bump base64id to version 1.0.0 (Unicode Parsing Issue socketio/socket.io#451)
• 767e9aa [chore] Release 1.8.1 (From NPM, error installing socket.io@0.7.8 socketio/socket.io#450)
• cd2ff46 [fix] Only add defined callbacks to the stack ('flash policy port' option broken socketio/socket.io#447)
• c650358 [chore] Release 1.8.0 (Testsuite fixes socketio/socket.io#446)
• ab2ca22 [chore] Bump debug to version 2.3.3 (Timeout for handshaken clients which never connect to fix memory leak socketio/socket.io#445)
• 7f659a5 [fix] Don't delete ws when closing the server (Node.js/Socket.io not returning results in IE, using a secure connection socketio/socket.io#444)
• 60780e2 [feature] Fix cookiePath empty bug and add cookieHttpOnly option (Fixed a bug: GET "/socket.io/socket.io.js.min" throws Error socketio/socket.io#423)
• 7c33b42 [test] fix tests for NodeJS v7 (In the chat example: require.paths is removed socketio/socket.io#441)

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