A very basic caching system
Fixing minor glitch in cache.rb documentation
Merge branch 'master' into basic_cache
Allowing distinct cache instances per API instance
Default cache is now used by default
Cache has now more Ruby-ish methods
fixup! Default cache is now used by default
Add a simple LRU
Add helpers to get or store values
Improve the cache invalidation code

Since the Hash are sorted, some optimization can
be made
Fixing the embed block in structured text fragments, that was unmarshalled as an Image
Fix tests
Fix the embed fix tests so they work for any encoding
Merge pull request #34 from rudyrigot/embed_fix

Embed fix
Merge branch 'basic_cache'

* basic_cache:
  Improve the cache invalidation code
  Add helpers to get or store values
  Add a simple LRU
  fixup! Default cache is now used by default
  Cache has now more Ruby-ish methods
  Default cache is now used by default
  Allowing distinct cache instances per API instance
  Fixing minor glitch in cache.rb documentation
  A very basic caching system

Conflicts:
	lib/prismic.rb