method :void executeCommand
this method permit to manage the commandWord executeur
this method ignore the word case
the known commands are :
best score : launch the best score frame
help : launch the help frame
hide all : hide all the dialog frame
exit : ask if player realy want to quit and exit if true
exit -f : ewit program without asking
cheat : enable cheat mode : player name is changed to "tricheur"
life : player life number = 6
god : player capacity are all at 100 and player have the ultimate weapon
go north : player move to the north, if there is an open door he change room
go south : like go north but for south
go East : like go north but for east
go west : like go north but for west
take : if there is an item in the accessible comboBox the player take it
drop : drop the inventory selected item an floor
open chest : if the player have the chest key, this command open the chest
open door : if the player have the door key, this command open the door
weapon : the inventory selected is set as current weapon. if the selected item is already the weapon, the player's current weapon is set as null
noweapon : player's current weapon is set as null
description : launch the item description frame
clear : clear the consol
kill : remove 10 player's energy points
high score : launch the high score frame
save : save the current game. if there is no name given, the save name is
the default name.