Now, createChar function can use PROGMEM charmap

LiquidCrystal_I2C.h

@@ -77,8 +77,11 @@ public:
   void autoscroll();
   void noAutoscroll(); 
   void createChar(uint8_t, uint8_t[]);
+  void createChar(uint8_t location, const char *charmap);
+  // Example: 	const char bell[8] PROGMEM = {B00100,B01110,B01110,B01110,B11111,B00000,B00100,B00000};
+  
   void setCursor(uint8_t, uint8_t); 
-#if defined(ARDUINO) && ARDUINO >= 100
+#if defined(ARDUINO) && ARDUINO >= 100
   virtual size_t write(uint8_t);
 #else
   virtual void write(uint8_t);