Clarify comment in determineFallbackSchemaVersion
Clarify comment in determineFallbackSchemaVersion

If the migration table does not yet exist, the user sits *either* at 0,
1, 2, 3 or 4; not *between* 0 and 4 (which would be 1, 2 or 3).

Nerdmind/Blog,Nerdmind/Blog