I've figured out how to stop the Unknowns from coming through. I am now trying to get the roster to update properly upon new invites and members leaving. As of now it isn't recording joins or leaves at all. This may take me a bit to figure out, but as soon as I have the updating issue fixed, I'll release a new version. That will leave the remaining aesthetic type bugs and requests you had reported to me.
PS, the beat of the song I am listening to right now matches with the slapping on your profile icon, thought it was entertaining.
This was a bit easier than I had expected, the newest version (6.35) is up on WoWInterface!
I just updated this so it may take a few minutes for it to reflect on WoWInterface.
Not sure if you included a fix for the lua error yet but I did get one tonight with version 6.35 when going from raid to party.
Date: 2015-05-23 03:12:27
Error occured in: Global
Message: ...ldLaunchCT_RaidTracker\GuildLaunchCT_RaidTracker.lua line 5737:
bad argument #1 to 'match' (string expected, got nil)
(*temporary) = nil
(*temporary) = "-"
(*temporary) = "string expected, got nil"
Fixed! I updated the same version on WoWInterface (6.35).
As a heads up for the accuracy of joins and leaves, after watching people join and leave the raid for a little while. When someone joins the raid, it will take anywhere from 5-30seconds or so for the addon to update the roster. If someone leaves, it records the time instantly. As well, if someone joins the raid and then someone leaves very shortly after, it will force the addon to update the raid member who joined at the same time that it updates the leave time for the other member. Just a nuance of the code.