```ruby
module GMail
  module Utils
    VERSION = "0.4.7"
    DB_VERSION = "3"
  end
end
```

Create 0.5.0, API not changed, gmail-backup is now in Ruby.
user
```ruby
module GMail
  module Utils
    VERSION = "0.5.0"
    DB_VERSION = "3"
  end
end
```
assistant