Make the memcache startup more resilient
Add time interval for timeout error message
Don't swallow Timeout::Errors
Fix specs that weren't running because they were in blocks that were not being yielded
update readme to indicate default for failover and compress

indicate a few defaults, based on https://github.com/mperham/dalli/blob/master/lib/dalli/client.rb#L21
use the same style for default..
Merge pull request #470 from keen99/patch-1

update readme to indicate default for failover and compress
Disable SASL tests
Merge pull request #469 from petergoldstein/feature/address_intermittent_errors

Assorted test improvements