Support for RC6A

Using 8 bit raw timing buffer for all timings except frame gap (forme…

…r rawbuf[0])

Bumped version to 4.3.2 Added ESP32 core 3.x error message

Bumped version to 4.3.1. Fixed overflow bug for rawlen > 254. Removed…

… deprecated sendPulseDistance... functions with parameter aSendStopBit.

Changed RECORD_GAP_MICROS default value from 5000 to 8000

Bumped version to 4.2.1

Bumped version to 4.2.0. Extraced version macros to IRVersion.h.

V4.1.2. Workaround for ESP32 RTOS delay() timing bug influencing the …

…mark() function. Closes #1114.

Disabled #define LOCAL_DEBUG in IRReceive.hpp, which was accidently e…

…nabled at 4.1.0.

Added functions addTicksToInternalTickCounter() and addMicrosToIntern…

…alTickCounter().