Added support for attachment messages, including modification to the "Type" (aka "typing") method to take a typingDelaySecs as the msg length calculation isn't useful when the message is a json object.
Added support for attachment messages, including modification to the "Type" (aka "typing") method to take a typingDelaySecs as the msg length calculation isn't useful when the message is a json object.
BeepBoopHQ/go-slackbot