Add a new method to lookup replicator by session id (issue #1)
Modify the replicator to callback observers when the replicator finishes.  Add test which illustrates how to register an observer.  Fixes #1
Fix trivial memory leak (Issue #1)
passing null to defineFilter() or defineValidation() should clear the named block
Merge pull request #3 from pegli/clear_validation

passing null to defineFilter() or defineValidation() should clear the named block
Merge pull request #1 from couchbase/master

Updating my fork