v1.0 - Initial release.

v1.1 - Updated comm routines.
       Fixed minor aerial strike bug which would sometimes cause a data file 
         inconsistency.
       Increased potential effectiveness of aerial strike.
       Added pauses for long game selection menus.
       Increased periscope range from 3 spaces to 5.
       Top Ten list no longer displays players with 0 wins.
       Added option to place items before you have a challenger.
       Added depth charge capability to battleships.

v1.2 - Fixed minor periscope bug which would sometimes show nonexistant ships.
       Updated Activity Log screen to show correct version number.
       Added ability to send a message after user is out of turns.
       Changed some prompts/messages from standard text to pop-up windows.
       Fixed bug which would cause a runtime error during play if maintenance
         was run on an empty data file.
       Improved control responsiveness.
       Added ability to reverse switch through ships.
       Pressing F10 to hang up on a user now works properly.
       Increased time available to solve the word puzzles.
       Added HydroProbe feature.
       Optimized screen updates.
       Added option to gamble for more points.
       Added 2500 new puzzle combinations.
       Improved menu structure.
       Added ability to overtake enemy ships.
       Added option to have inactive games purged after a specified number
         of days.
       Players' ANSI music settings are now saved when they exit.
       Added additional ANSI music and sound effects.
       Changed Activity Log colors.
       The first player to place his ships now receives a 500-point bonus
         to compensate for his disadvantage.