Problem with Arduino and LCD Smartie

Hi, I have a problem with Arduino and LCD Smartie program . Once everything is connected correctly and configured on the display instead of the information appears in a string of numbers . All data in the Annex. Please help and explanation. ; )

LCD_Smartie.ino (6.02 KB)

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  byte rxbyte;
  lcd.print(rxbyte);  //otherwise a plain char so we print it to lcd

In versions up to 0022 this printed a character. From version 1.0 this prints a decimal number.

Change it to