1.2.23

Full Changelog

Fixed bugs:

• Re-attach fails due to previous detach request #885
• Lib is not re-sending pending messages on new transport after a resume #474

Merged pull requests:

• Connection resumption improvements #900 (ikbalkaya)
• Make EventEmitter.on() documentation reflect implementation #889 (AndyTWF)
• Fix attach/detach race condition #887 (ikbalkaya)