4 Jan 2016, v1.1.5
- Use settings functions on SPI libraries, setSPIConfig was deleted, now the library use SPI.beginTransaction() and SPI.endTransaction() 
- Added examples/ReadNUID/ReadNUID.ino example, showing how to read new NUID from a PICC to serial.

3 Jan 2016, v1.1.4
- Added Authentication with Ntag 213,215,216 returns the pACK MFRC522::PCD_NTAG216_AUTH @Gargantuanman
- Starting to use versions http://semver.org/
- Continuous Integration @ivankravets 
- functions return MFRC522::StatusCode and MFRC522::PICC_Type instead of generic byte @rotzbua
- removed int-values of MFRC522::StatusCode and MFRC522::PICC_Type @rotzbua

5 Dec 2015
- recognize infineon cards correctly @mayatforest
- added multi reader support, see example @lmmeng

10 Nov 2014
- Updated the changelog.
- Added makefile.

24 Oct 2014
- Added PlatformIO-based manifest file.

17 Jul 2014
- Written documentation for the library.
- Added rfid_default_keys example.

11 Jun 2014
- Updated example: ReadAndWrite.

14 Apr 2014
- Updated examples: DumpInfo, MifareClassicValueBlock, and ReadAndWrite.

12 Feb 2014
- Fixed resetPowerDownPin initial state.

29 Jan 2014
- Fixed chipSelectPin initial state.

30 Nov 2013
- Examples put in their own folders.
- Updated the keywords.txt file.

12 Nov 2013
- Updated examples: DumpInfo, MifareClassicValueBlock, and ReadAndWrite.

20 Oct 2013
- All constants, functions and parameters are now commented in English.
- Code refactored, most function names have changed.
- Support ISO-14443-3 anti collission and 4/7/10 byte UIDs (cascade levels).
- Added functions for MIFARE Classic Decrement/Increment/Restore/Transfer
  and MIFARE Ultralight Write.
- New examples written.

19 Oct 2013
- Renamed library from RFID to MFRC522 (RFID seemed to generic).
- Register names changed to comply with datasheet.
- Global defines moved into class.

24 Sep 2013
- Turn off encryption when tag is halted.

27 Jan 2013
- Added README and small TODO list.
- Added example to show Serial on LCD display.

09 Sep 2012
- Initial commit to GitHub.