-Have Table calls that utilize noderange extend noderange's optimizations lifetime
-Rework conserver to use the at-scale Table access methods, overall about 3 times faster so far
git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@1847 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd