test that server failures is reset after reconnecting
test that server failures is reset after reconnecting

mrlannigan/memcached,mrlannigan/memcached,3rd-Eden/node-memcached,Starefossen/memcached,fouber/node-memcached,3rd-Eden/node-memcached,XadillaX/node-memcached,kbarbounakis/memcached,mbrukman/node-memcache-client,Starefossen/memcached,jkrems/memcached,mbrukman/node-memcache-client,andrewbrereton/memcached,jolks/node-memcached,XadillaX/node-memcached,3rd-Eden/memcached,jkrems/memcached,acarrasco/node-memcached,jolks/node-memcached,andrewbrereton/memcached,kbarbounakis/memcached,mgetz/memcached,fouber/node-memcached,3rd-Eden/memcached,mgetz/memcached,acarrasco/node-memcached