Changes:

Army: added method to estimate troop numbers, based on observer's leadership value.
Character:  added method to calculate the character's accuracy when estimating the size of enemy army contingents (based on their leadership value).
SelectionForm:  continued work on screen to list armies in a fief and display details.
Form1:  added buttons to household management, army management and travel screens to invoke display of armies in fief (in SelectionForm).