Squashed commit of the following:

commit d6d94c14349ca5cff4954e11edcfc382ffc01ef0
Author: Jose V. Trigueros <j.v.trigueros@gmail.com>
Date:   Fri Jan 24 09:04:51 2020 -0800

    Use flatMap instead of queue nesting, new on JDA 4.1.1 :D

commit fe012638aba684d48b23d0d1438418aac8420be9
Author: Jose V. Trigueros <j.v.trigueros@gmail.com>
Date:   Fri Jan 24 08:40:40 2020 -0800

    Update to JDA 4.1.1

    Also update minio-sdk, java-rx, and jcenter URL