Hey Thurallor,
An observation regarding Caption > Clickable:
When toggling the option, the effect on the SequenceBars.plugindata file is either to show the entry "["$clickThru"] = true" when clickable checked, or no entry at all when clickable not checked.
Making the following change to bars.lua causes the entry to toggle between true and false making debugging/testing a little easier.
FROM
Code:
function Bar:SetCaptionClickThru(clickThru)
if (clickThru == false) then
clickThru = nil;
end
self.settings.caption.clickThru = clickThru;
self:SaveSettings(false);
self:Redraw(true);
end
TO
Code:
function Bar:SetCaptionClickThru(clickThru)
if (clickThru == nil) then
clickThru = false;
end
self.settings.caption.clickThru = clickThru;
self:SaveSettings(false);
self:Redraw(true);
end
Oh, and thanks for the mention in the credits - didn't notice that before. 
P.S. Would also be nice if ["$barCaption"]/["$groupCaption"] could be implemented in the plugindata file.