Search enhancements:
	1. new INDEX_AS_IDNO indexing option; indexes idnos with various permutations (remove leading zeros, store stems, etc.) for improved search
	2. fixed bug that would cause incorrect boolean combinations when search includes access point
	3. search for blank values now supported via new [BLANK] search term (eg. ca_objects.description:[BLANK] will return all records without a description)
Added INDEX_AS_IDNO to indexed idnos
Removed debugging code; misc minor improvements