Add DeserializerFactory
Introduce TestDeserializerFactory to eliminate construction duplication in integration tests
Added ItemRoundtripTest
Added base for RealItemsTest
Implement RealItemsTest
Add correctness check to real items test and fix found bug
Add r10499806 of Q1 that has inconsistent alias lists
Remove unused imports
Merge pull request #15 from wmde/integration

Add integration tests