implement strict ranges (from,to) as opposed to simple prefixes
super useful for things like geo-fencing and probably many other things

Conflicts:
	hydra-data/src/main/java/com/addthis/hydra/data/tree/DataTreeNode.java
Merge pull request #6 from stewartoallen/4pull-query-range-ext

implement strict ranges (from,to) as opposed to simple prefixes