&$pager: Pager object for contributions
&$queryInfo: The query for the contribs Pager
-'ContribsPager::reallyDoQuery': Called before really executing the query for My Contributions
-&$$data: an array of results of all contribs queries
-$pager: The ContribsPager object hooked into
-$offset: Index offset, inclusive
-$limit: Exact query limit
-$descending: Query direction, false for ascending, true for descending
-
'ContributionsLineEnding': Called before a contributions HTML line is finished
$page: SpecialPage object for contributions
$ret: the HTML line