IT’S CAPS LOCK DAY
Update the README
Clear the XML Tab buffer when closing
Fix #2329 (display the info buffer in the muclisttab)

also fix some typos in the comments, and a refresh issue with the input
Fix an issue with roster loading

(why did that even work before)
Fix the repr() of messages for logging
Move backwards in the input the same way we move forward (ref #2183)