when scanning saved game directory, reject characters without a valid saved game
fixed handling of characters without a valid slot
added description field to saved game record; make use of description in GUI
improved character selection logic
reject newer formats when scanning saved games
fixed save function of SavedGame record
store content file list in saved games and reject saved games not matching the current game
case fix (content file names)
one more fix to SavedGame record saving
restore last played character selection across sessions
replaced getCurrentCellName function with a more general getCellName function
removed duplicates of the cell name function
factored out code for generating month names