calls slack api to check if user is active
calls slack api to check if user is active

Heyllow/slack-workout,freshbooks/slackbot-workout,jesseract/slackbot_exercise_bot,TeachersPayTeachers/slackbot-workout,jesseract/slackbot_exercise_bot,ArcBees/slackbot-workout,feighter09/exercise,emillinden/slackbot-workout,brandonshin/slackbot-workout,level3apps/Slackbot-workout,prlakhani/slackbot-workout