pgtreelib - pgtreelib: set_root

Log Message:
-----------
set_root

Modified Files:
--------------
pgtreelib/src/main:
crud_node.psql (r1.9 -> r1.10)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgtreelib/pgtreelib/src/main/crud_node.psql.diff?r1=1.9&r2=1.10)
rules.psql (r1.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgtreelib/pgtreelib/src/main/rules.psql.diff?r1=1.1&r2=1.2)
schema.sql (r1.9 -> r1.10)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgtreelib/pgtreelib/src/main/schema.sql.diff?r1=1.9&r2=1.10)