Add model for Cache
Add VictimsResultCache database implementation
Add negative case when testing property matching
Refactor hibernate orm usage

- VictimsHibernate is now used as a utility class
- VictimsDatabase now contains database interaction specifics
- [Issue #45] LastUpdate is now in-database
- Move to in database cache
- Update VictimsResultCacheTest to test in database caching
- Updated models
- Misc. code refactor
Commiting updated VictimsResultCacheTest from previous commit