doctrine/cache — pull request #37 by BenMorel (2014-07-05 08:33:02+00:00)
Title: Fixed CacheProvider documentation

Fixed the following:

- `$namespaceVersion` can only be `integer` or `null`, not `string`
- `getNamespaceVersion()` can only return `integer`, not `string`
- `bool` was used in once place, instead of `boolean` everywhere else