Ticket #688 - Fix for Store#find returning on first prop match

This fixes an issue where Store#find would return any item that had just 1 property match. It now goes through every property and unless it finds a property that does NOT match the query, it assumes it's a match.
Merge pull request #689 from OscarGodson/patch-1

Ticket #688 - Fix for Store#find returning on first prop match