Arduino library compliance.

Now errors or warnings with arduino lint.

Fixed timing calculation on platforms where size_t witdh is two bytes.

Fixed timing calculation on platforms where size_t width is only two bytes. This will fix problems running the library on Arduino UNO.

Adjustment of maintainer email adress in library.properties

Adjustment of maintainer email adress in library.properties: [email protected]

ESP32 and ESP8266 support (untested!)

Apply IRAM_ATTR respectively ICACHE_RAM_ATTR for code that runs in interrupt service context on ESP32 and ESP8266.
Apply DRAM_ATTR for RxProtocolTable members accessed in interrupt service context on ESP32

Initial Release

Initial Release.