bug fixes and caching improvements

docs/upgrades/upgrade_6.2.11-6.3.0.pl

@@ -1729,6 +1729,7 @@ WebGUI::Session::close();
 
 sub replaceMacros {
    	my $content = shift;
+	return $content if ($content =~ /\^\^/); # double carets bad
 my $parenthesis;
 $parenthesis = qr /\(                      # Start with '(',
                      (?:                     # Followed by

docs/upgrades/upgrade_6.3.0-6.3.1.sql

@@ -0,0 +1,4 @@
+insert into webguiVersion values ('6.3.1','upgrade',unix_timestamp());
+alter table asset add index state_parentId_lineage (state,parentId,lineage);
+
+