Node creation no longer modifies the **kwargs passed to it.
Node creation no longer modifies the **kwargs passed to it.

svn path=/trunk/libavg/; revision=5879

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