Sync/replication style:main_only is not pushing a winning deleted revision

[kiyanovsky]

If you use the {style: 'main_only'} in the 'push' direction from PouchDB to a server, it doesn't push a winning deleted revision. It looks like it's filtering all deleted revisions, which is not correct. When I'm deleting a doc, the last deleted revision is a winning revision. CouchDB doesn't have this bug, when I pull main_only revisions from CouchDB, it replicates a winning deleted revision.