v0.2.2: Bug fixes

• Removed references to Serial.printf()
• Fixed an example that referenced a library function by its old name

Minor changes

• Reorganized the examples
• Other minor changes, to be compatible with Arduino IDE

v0.2.0: Added unique error codes, to idenfity precisely its origin. Other min…

Changes from previous version:

• New error codes (used internally, mostly)
• The examples were redesigned, and new examples were created
• The block address became the first parameter in all EasyMFRC522's functions (for labeled or unlabeled IO operations)
• Many other minor changes