Chrome extension timeout
I just updated Chrome to version 54 and suddenly your extension stopped. Everytime I try to enable it I got the "Haven't received a handshake reply in time, disconnecting." in the extension's background page. I found that changing the timeout from 1000 to 5000 in this line "timeout = setTimeout(failOnTimeout, 1000);" solve the issue. I honestly have no idea why this happens but if you can upgrade the extension I can keep using it.