Update to Roll and Created EightBall

Added more use to the Roll command, can now do basic math in addition to rolling dice.
Created Eightball, a command to output a standard eightball saying.

src/commands/CommandEightBall.java

@@ -0,0 +1,25 @@
+package commands;
+
+import core.Command;
+import dataStructures.*;
+
+public class CommandEightBall extends Command
+{
+	String [] answers = {"It is certain.", "It is decidedly so.", "Without a doubt.", "Yes - definitely.", "You may rely on it.", "As I see it, yes.", "Most likely.",
+			"Outlook good.", "Yes.", "Signs point to yes.", "Reply hazy, try again.", "Ask again later.", "Better not tell you now.", "Cannot predict now.",
+			"Concentrate and ask again.", "Don't count on it.", "My reply is no.", "My sources say no.", "Outlook not so good.", "Very doubtful."};
+	public CommandEightBall(KittyRole level, KittyRating rating) 
+	{ 
+		super(level, rating); 
+	}
+	
+	@Override
+	public String HelpText() { return "Answers a yes or no question! Warning: Kitty can not actually tell the future,"
+			+ " she claims no responsibility for any lion mauling, lack of lottery wins, or felony charges."; }
+	
+	@Override
+	public void OnRun(KittyGuild guild, KittyChannel channel, KittyUser user, UserInput input, Response res)
+	{
+		res.Call(answers[(int) (Math.random()*answers.length)]);
+	}
+}