Commands as separate classes

Each command is now in its own class in the 'Commands' namespace, and
loaded through reflection.

MinecraftClient/Commands/Connect.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace MinecraftClient.Commands
+{
+    public class Connect : Command
+    {
+        public override string CMDName { get { return "connect"; } }
+        public override string CMDDesc { get { return "connect <serverip>: connect to the specified server."; } }
+
+        public override string Run(McTcpClient handler, string command)
+        {
+            if (hasArg(command))
+            {
+                Settings.setServerIP(getArgs(command)[0]);
+                Program.Restart();
+                return "";
+            }
+            else return CMDDesc;
+        }
+    }
+}