Improving options validation.
Improving version check notice.
Improving Multisite support. See: WebSharks/Quick-Cache#48
Improving Multisite support. See: WebSharks/Quick-Cache#48
Improving Multisite support; wipe on option updates/restores.
Network Activate Only; see WebSharks/Quick-Cache#50
Bug fix; see WebSharks/Quick-Cache#39