Adds a sendMessage helper to the RTM API for sending simple text messages via the RTM API.
Adds a sendMessage helper to the RTM API for sending simple text messages via the RTM API.

peernohell/node-slack-client,slackapi/node-slack-sdk,slackhq/node-slack-sdk,slackapi/node-slack-sdk,slackapi/node-slack-sdk,peernohell/node-slack-client,slackapi/node-slack-sdk,slackhq/node-slack-client