OAK-1263 added >= to the predicate for testing
OAK-1263 trivia javadoc fix
OAK-1263 added support for '>=' use case
OAK-1263 added check for no results when index ascending and < or <=
queries.
OAK-1263 added LessThanPredicate for testing
OAK-1263 added LessThanEqualPredicate for testing
OAK-1263 added support for < and <= queries