ccocchi/libmemcached_store — pull request #6 by grosser (2012-11-14 00:39:03+00:00)
Title: add tests for clear and make clear not blow up when passed options

to avoid blowing up when called via acivesupports local-cache
```
def clear(options = nil) # :nodoc:
local_cache.clear(options) if local_cache
super
end
```