cadets.dat - List of cadets in email program
   ID (Dbl) - ID number
   Rank (Long) - Rank # (see Ranks.txt for listing)
   LastName (Str) - Last name
   FirstName (Str) - First name
   Password (Str; Encrypted) - Officer: password   Cadet: nothing
   CanSend (Bool) - If true, can send emails (must have Password)

mm_xxxxxxxx.dat - Message data file (ID number xxxxxxxx)
   [
   TimeStamp (Date) - Time/date of message
   Subject (Str; Encrypted) - Subject
   Sender (Str) - Sender's ID
   Text (Str; Encrypted) - Text of message (returns replaced with )
   ] * x (x number of messages)

mr_xxxxxxxx.dat - Read message data file (ID number xxxxxxxx)
   [
   TimeStamp (Date) - Time/date of read message
   ] * x (x number of read messages)

update.dat - Updates to FTP server info
   newsrv SERVER - New server path
   newusr USERNAME - New user
   newpsw PASSWORD - New password
   newdir REMOTEDIR - New remote dir
