Implement another 25 requests.

Specifically:
	ClearArea
	CloseFont
	CopyArea
	CopyGC
	CopyPlane
	FillPoly
	FreeGC
	FreePixmap
	GetFontPath
	GetImage
	ImageText16
	ImageText8
	ListFonts
	OpenFont
	PolyArc
	PolyFillArc
	PolyFillRectangle
	PolyLine
	PolyRectangle
	PolyText16
	PolyText8
	PutImage
	SetClipRectangles
	SetDashes
	SetFontPath