Improve tests a bit

Reduce timeouts if possible
Extend timeouts if needed (windows tests need their time)
Don't expose the redis socket to others than the owner
Don't create the stunnel log

test/commands/info.spec.js

@@ -34,7 +34,7 @@ describe("The 'info' method", function () {
                 setTimeout(function () {
                     assert.strictEqual(typeof client.server_info.db2, 'object');
                     done();
-                }, 150);
+                }, 30);
             });
 
             it('works with optional section provided with and without callback', function (done) {