There are version string in _metadata.json files too. And they get increased too, right?
ie:
"confirmation_code_was_sent_to_x.txt": {
"global_cache": false,
"version_id": 1000010,
"version_string": "1.0.0 Alpha",
"hash": "1b21028722e08c00124e7738599e3e1e"...