restic_cache_dir is undefined.

[nuz014]

When using version 0.9.0 i get 'restic_cache_dir' is undefined. 'restic_cache_dir' is undefined this dir is not spesified.
Its probely an issue with the default settings.

[Nikerabbit]

Was introduced in #145.

[nuz014]

Havent tested yet but it looks like its fixed in #150

[nuz014]

Still an issue in 0.9.1