Tweaks to near-side windows. Removed property from far-side layer objects that was overwritten next line. Made test to draw at the known window edges.
Added a new known bug, for firefox.
① Split off Pixel-Store-specific layer manipulation functions into their own file.
② Fixed nasty error in cUtils.getLayer where it was only returning right values for a depth one or zero.
③ Added a cUtils.getLayerOffset, which returns an x and y value for the absolute position of the layer object.