id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
9002	[patch] Coordinates internal improvements	shinigami	team	"QuadBuckets.QBLevel is changed to static class, it allows direct creation of QBLevel[] without reflection - see getChildren().
hasChildren() result is now cached.
firstChild()/next_sibling() works without repetitive creation of array of children.
matches() has faster way for Node primitives.

"	enhancement	closed	normal		Core		fixed