adafruit/Adafruit_NFCShield_I2C — pull request #15 by stonehippo (2013-08-23 15:36:48+00:00)
Title: Corrected a call to print hex chars in a debug statement

In `Adafruit_NFCShield_I2C::mifareclassic_AuthenticateBlock`, the debug block was calling `Adafruit_PN532::PrintHexChar` instead of the correct `Adafruit_NFCShield_I2C::PrintHexChar`