Issue #220 - Add failingTestDocumentUpdate() that reproduces this issue
Issue #97 - Unit test for Cache object.

https://github.com/couchbase/couchbase-lite-java-core/issues/97
Issue #97 - Enhance unit tests to return Future when creating async docs

https://github.com/couchbase/couchbase-lite-java-core/issues/97
Issue #97 - Re-enable check that there should only ever be a single document instance for a given document.  After Issue #97 is fixed, this should work.

https://github.com/couchbase/couchbase-lite-java-core/issues/97
Reduce timeout
Merge branch 'refs/heads/issue_97_weakmap'

Conflicts:
	src/instrumentTest/java/com/couchbase/lite/ApiTest.java