URLs without trailing slash seem to be the standard for BOSH and WebSockets and are also used by XEP-0156.
This commit increases interoperability.
Anno van Vliet <anno.van.vliet@gmail.com>
fc682b8878145991d92162acb6588e71e542ebfb
Group Chat History contains one message to many. When specifying “Show a Specific Number of Messages” for Group Chat History Settings, the user get one message to many. For example, if 10 is specified. the user get the last eleven messages in the room.