PIC18Fx550 and PIC18Fx5J50 Constants

(for developers, these constants are defined in  /p8/include/pinguino/core/const.h)
 * in condition statement (if, while) : FALSE, false, TRUE, true
 * in IO statement (digitalWrite, pinMode) : INPUT, OUTPUT, HIGH, LOW, ON, OFF
 * in print statement (Serial.print, CDC.print, LCD.print): BYTE, BIN, OCT, DEC, HEX, FLOAT

(for developers, these constants are defined in  /p8/include/pinguino/core/pin.h)
 * pin names (to improve)