Adding createOrUpdate method and tests
Merge pull request #6 from oliverjohnstone/master

Adding create or update functionality.
Bump version
Removing extend and ensure idProperty is cast correctly
version bump
Expose correct idType
Merge pull request #7 from bengourley/master

Expose correct idType constructor
Fix erroneous DB connect options for tests
Merge pull request #8 from cronnelly/patch-1

Fix erroneous DB connect options for tests
Working update many
On find, cast ID property of query if it uses a MongoDB operator (such as )