Handle user signal, starded output implementation
Corrected an output problem
Each reader is now locked during door opening, corrected memory leaks
Added refuseAccess
Changed vaiable name
Added general lock during file loading (with blinking of all leds)
Added time verification and some comments for other methods
Added log sending and tag files renewal on a time basis
Removed txt files
System is locked during all files operations
Added linking to db, added securities and improved some feaures