A general cache mechanism.

This cache system was originaly developed for Nitro. It is used to cache fragments, og objects (entities), sessions, application scoped variables and more.

Methods
Public Instance methods
update(hash)
    # File lib/glue/cache.rb, line 16
16:   def update(hash)
17:     hash.each { |key, value| self[key] = value }
18:   end