Fixed #689
Fixed #689

body is null if deleting is true.

couchbase/couchbase-lite-java-core,Spotme/couchbase-lite-java-core,mariosotil/couchbase-lite-java-core,mariosotil/couchbase-lite-java-core,mariosotil/couchbase-lite-java-core,gotmyjobs/couchbase-lite-java-core,4u7/couchbase-lite-java-core