added class variables and constructor
implemented flush() method
implemented unique Id based on ArrayList size
added no args constructor required for serialization
added notes String to constructor
implemented addNewContact
removed notes field from constructor - there may be none at time of construction
made notes optional in addNewContact
changed file name to contacts.txt
added notes arg to constructor
added notes arg to addNewContact
improved fnf exception handling
implemented load() method first draft
added some test skeletons
added MeetingImpl
written empty class
implemented 2 methods
added comment to a new method