Author: Dave Pape
11/01/01
02/01/06 Alex Hill - added logic to find correct "world" and "localroot" nodes
Revision: 07/01/06 Alex Hill - added logic to delay storing node information for ygWorld
Comments
method p_
method init
method find
method createValidName
method create
0.1 NOTE: This may cause problems on SGIs when using STL strings!!