Merge pull request #136 from FedericoElles/master

Changed Math.round to Math.floor to fetch random array element

Author: Stevenic

Node/src/Message.ts

@@ -79,7 +79,7 @@ export class Message implements IMessage {
     }
 
     static randomPrompt(prompts: string[]): string {
-        var i = Math.round(Math.random() * prompts.length);
+        var i = Math.floor(Math.random() * prompts.length);
         return prompts[i];
     }
 
@@ -92,4 +92,4 @@ export class Message implements IMessage {
         }
         return args && args.length > 0 ? sprintf.vsprintf(prompt, args) : prompt;
     } 
-}
+}