Merge pull request #304 from boduoduo/fix/sortedIssue remove older files not recent

Merge pull request #329 from keniwhat/master Allos custom FileManager to be passed in for DiskStorage.

Fix tests 

Update Cache.podspec 

Merge pull request #317 from kitwtnb/add-privacy-manifest Add privacy manifest

Merge pull request #311 from pareshios/remove_inmemory_cache feat: Added support to remove only in memory cache

Remove catalyst support 

Delete .swift-version 

Use Swift 4.2 

Update Cache.podspec