Merge pull request #100 from SGover/Adeeltariq-alpha

Adeeltariq alpha
TradeWindow class add

may cause your program to crash
fix
fixes+trade menu
buy+sell house/hotel gui
pawn movement
a
Merge branch 'master' of github.com:SGover/monopoly into Adeeltariq-alpha

Conflicts:
	gameGui.py

Signed-off-by: Adeel <adeeltariqagain@gmail.com>