added __repr__ and __setitem__ to Point2D
added __repr__ and __setitem__ to Point2D

svn path=/trunk/libavg/; revision=3183

yyd01245/libavg,hoodie/libavg,th3infinity/libavg,hoodie/libavg,yyd01245/libavg,hoodie/libavg,scotty007/libavg,th3infinity/libavg,libavg/libavg,libavg/libavg,scotty007/libavg,th3infinity/libavg,th3infinity/libavg,yyd01245/libavg,scotty007/libavg,hoodie/libavg,libavg/libavg,yyd01245/libavg,libavg/libavg,scotty007/libavg