Initial commit
Added rc522 lib
Adding db-related files
Makefile enhancements
Refactoring classes
Working on new classes
Working on reader2 class
Minor changes regarding error codes
Reader2: seems to be working
New example
reader2: reads tags. completed
Added controller, renamed Reader2 to Reader
DB: add new tag
DB: save new tag
DB: trying to fix issue with this->mydb
DB: making some var inits
Reader: some memory fixes
DB: trying to make it work
Controller: temporary remove reader
Reader: fixed overflow issue