renamed instance variable ary to contents changed mouse pointer tracking to comply with specifications switched bits of left and right mouse button
renamed instance variable ary to contents
changed mouse pointer tracking to comply with specifications
switched bits of left and right mouse button

HPI-SWA-Lab/RSqueak,HPI-SWA-Lab/RSqueak,HPI-SWA-Lab/RSqueak,HPI-SWA-Lab/RSqueak