reduce critical section + run go fmt
Merge branch 'master' of github.com:PatrickDropbox/godropbox

Conflicts:
	memcache/raw_client.go
Add ConnectionHeader constant
Run gofmt
Add close and keep-alive constants too
add test for GetMulti with dup keys
.
fmt
Merge pull request #82 from PatrickDropbox/master

add test for GetMulti with dup keys