Changed core to new ATmega designs, ATmega8 to ATmega328
Changed EEPROM behaviour for ATmega328
Changed Timer and TimerTests behaviour to ATmega328
Changed store and load tests to succeed with extended I/O space
Changed UndocumentedBehaviourException to UnimplementedBehaviourException where appropriate
Added Timer to ATmega328
Fixed a bug in instruction decoding for JMP/CALL
Changed Blinkenlights example for ATmega328