Bump Version to 1.1.6

changes.txt

@@ -1,15 +1,18 @@
-4 Jan 2016, v1.1.5
+06 Jan 2016, v1.1.6
+- Fixed compilation error for examples/ReadNUID/ReadNUID.ino example. @Rotzbua
+
+04 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
+03 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
+05 Dec 2015
 - recognize infineon cards correctly @mayatforest
 - added multi reader support, see example @lmmeng