support detailed stats
update History to reflect detailed stats support
Merge branch 'master' of git://github.com/mperham/dalli into detailed-stats
Fix stats tests

Dont rely on order of returend hash items.
In ruby 1.8.7 Order of returned hash stats items differs from 1.9.3.
While i have no idea why this happen, but it is ok to itrate whole
hash to check if test key exist.
Merge pull request #337 from bukhamseen/detailed-stats

Support detailed stats.