* configure travis
* liftKRPC ::
* add withRetries
* bump version to 0.7.0.0

* add issue: getQueryCount --> getRpcStats
data Stats = Stats
  { queryFailed    :: {-# UNPACK #-} !Int
  , querySucceed   :: {-# UNPACK #-} !Int
  , handlerFailed  :: {-# UNPACK #-} !Int
  , handlerSucceed :: {-# UNPACK #-} !Int
  , sentBytes      :: {-# UNPACK #-} !Int
  , receivedBytes  :: {-# UNPACK #-} !Int
  }

* add asyncQuery :: SockAddr -> a -> m (Async a)
* add queries :: [(SockAddr, a)] -> m [Either  a]