refactoring URIResolver to ensure thread safe access in Solr
use long docids in cache
retrieve all stored fields (to support lux:key())
retrieve all stored fields in anticipation of calls to lux:key()
index XPath fields for CloudTest
enable control over request stage to skip searching when retrieving a single doc
IDField is not renewable
indicate that non-byte (esp. numeric) fields are indexed
docid  was not sortable without this
We were throwing away the most significant timestamp bits due to an arithmetic booboo
add default sort criterion = lux_docid
fix pagination of cloud subqueries (start=position)
Don't cache bytes once we've created a document from them
retrieve lux:key() values from TEXT fields, not just STRING
cloud tests using XPath keys
retrieve all stored fields, anticipating lux:key()
store store fields in document userData
working on cloud support for lux:field-terms()