to enable HTTP caching for Rack-based applications
that produce freshness (Expires, Cache-Control)
and/or validation (Last-Modified, ETag) information.
* Standards-based (see RFC 2616 / Section 13).
* Freshness/expiration based caching
* Validation
* Vary support
* Portable: 100% Ruby / works with any Rack-enabled framework.
* Disk, memcached, and heap memory storage backends.
WWW: http://rtomayko.github.com/rack-cache/
PR: ports/150379
Submitted by: Eric Freeman <freebsdports at chillibear.com>
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