Support.php: add concatUrlParam().

Link.php: simplyfied Tooltip creation - might be broken now for non URL - there are no unit  tests for these situation. New: if no tooltip is given, and a link of type [Pp]age? - take the glyph name as tooltip. Render all links, which use a hash and with showDebugInfo='yes' , with the decoded sip as tooltip.
Sip.php: queryStringToSip() extend to return complete paramter array.