update build.gradle to allow use of Kotlin 1.0.0
update build.gradle to allow use of Kotlin 1.0.0

If using IntelliJ, you must use IntelliJ EAP 16 or greater, otherwise
the Kotlin runtimes won't match and you'll have a very very bad time.

guacamoledragon/twitch-chat,guacamoledragon/twitch-chat