HQLPARSER-5 Adding support for BETWEEN predicates
HQLPARSER-5 Removing some warnings
HQLPARSER-5 Stripping out quotes from character literals for ease of use
HQLPARSER-6 Extracting separate module for Lucene tree walker
HQLPARSER-6 Moving custom tree walker logic from parser sub-class into delegate
HQLPARSER-6 Establishing QueryParser API, allowing clients to parse queries without having to deal with Antlr types