chore: add print helper again and refactor some code

Expose the RedisClient directly instead of only being a property

lib/commands.js

@@ -23,6 +23,12 @@ function addCommand (clientProto, multiProto, command) {
       })
     }
   }
+  Object.defineProperty(clientProto, commandName.toUpperCase(), {
+    enumerable: false,
+    configurable: false,
+    writable: false,
+    value: clientProto[commandName]
+  })
 
   // Do not override existing functions
   if (!multiProto[command] && command !== 'multi') {
@@ -41,6 +47,12 @@ function addCommand (clientProto, multiProto, command) {
       })
     }
   }
+  Object.defineProperty(multiProto, commandName.toUpperCase(), {
+    enumerable: false,
+    configurable: false,
+    writable: false,
+    value: clientProto[commandName]
+  })
 }
 
 module.exports = addCommand