Rename TDL get_value to _xml_get_value
Rename TDL get_value to _xml_get_value

Signed-off-by: Chris Lalancette <281cd07d7578d97c83271fbbf2faddb83ab3791c@gmail.com>

moofrank/oz,clalancette/oz,cernops/oz,moofrank/oz,mgagne/oz,ndonegan/oz,clalancette/oz,imcleod/oz,ndonegan/oz,nullr0ute/oz,mgagne/oz,imcleod/oz,cernops/oz,nullr0ute/oz,NeilBryant/oz,NeilBryant/oz