Changes

[Feature #45] Made ResultSet Iterable. Added a common unchecked parent
exception for OntoDriver API exceptions.
 (commit: 0b1705f)

[Feature #45] Implemented Spliterator for ResultSet. Provide Stream from
ResultSet.
 (commit: 99b760f)

[Feature #45] Use the updated ResultSet API in Query and TypedQuery
implementations.
 (commit: 56fa4fe)

[Feature #45] First, naive implementation of getResultStream in Query
API.
 (commit: 1d2a68d)

Working on support for setting query offset and limit using Query API.
 (commit: 5f035f2)

Translate setMaxResults and setFirstResult in the Query API into LIMIT
and OFFSET clauses in the resulting SPARQL query. Use OWL2Query 0.5.1
with support of limit and offset in queries.
 (commit: 5c923c0)

[Feature #45] Started working on proper Stream support in the Query API.
 (commit: 6ac80ac)

[Feature #45] Implemented Stream support in the Query API.
 (commit: eb528a4)

[Feature #45] Testing the stream support in Query API. Ensure that
stream is closed by the spliterator at all circumstances.
 (commit: 378decd)

[Refactoring] Minor refactoring in QueryImpl and TypedQueryImpl.
 (commit: 83db359)