Add more CacheExpiry options

[mortenholmgaard]

It would be nice if you added a few more CacheExpiry values like: Hours, Days, Months, Years

[aschuch]

Good idea. Do you want to give this a shot and submit a pull request?

[sergii-frost]

Do you think it could be useful to add support of saving actually time when object has been initially cached and remove objects which time expires in the past since now, but not in future?

Use case:

• initially cache period could be set to large value, e.g. 1 year
• later there is a need to clean the cache for all the objects older than 30 days (but initially cached values will not be touched until 1 year since day when they were cached)
• such approach makes it available adding option to the application to quickly change expiration date for objects older than X days/months/whatever