Complete issue #199
Complete issue #199

In Database.expandStoredJSONIntoRevisionWithAttachments(), ensure that
json has data before appending extra information to it.

couchbase/couchbase-lite-net,mpapp/couchbase-lite-net,z000z/couchbase-lite-net,mpapp/couchbase-lite-net,brettharrisonzya/couchbase-lite-net,couchbase/couchbase-lite-net,JiboStore/couchbase-lite-net,couchbase/couchbase-lite-net,brettharrisonzya/couchbase-lite-net,z000z/couchbase-lite-net,JiboStore/couchbase-lite-net