moved debugNumber into OLED class

workspace/TS100/inc/OLED.hpp

@@ -82,6 +82,7 @@ public:
 	static void drawCheckbox(bool state) {
 		drawSymbol((state) ? 16 : 17);
 	}
+	static void debugNumber(int32_t val);
 	static void drawSymbol(uint8_t symbolID);//Used for drawing symbols of a predictable width
 	static void drawArea(int16_t x, int8_t y, uint8_t wide, uint8_t height,
 			const uint8_t* ptr); //Draw an area, but y must be aligned on 0/8 offset