Added a command and a new API function "getVersion()"

src/main/java/us/myles/ViaVersion/ViaVersionCommand.java

@@ -0,0 +1,48 @@
+package us.myles.ViaVersion;
+
+import org.bukkit.Bukkit;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import us.myles.ViaVersion.api.ViaVersion;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Created by fillefilip8 on 2016-03-03.
+ */
+public class ViaVersionCommand implements CommandExecutor {
+
+    @Override
+    public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) {
+        if (sender.hasPermission("viaversion.admin")) {
+            if (args.length == 0) {
+                sender.sendMessage(color("&aViaVersion &c" + ViaVersion.getInstance().getVersion() + "&b by &6_MylesC"));
+                sender.sendMessage(color("&6Commands:"));
+                sender.sendMessage(color("&2/viaversion list &7- &6Shows lists of all 1.9 clients and 1.8 clients."));
+            } else if (args.length == 1) {
+                if (args[0].equalsIgnoreCase("list")) {
+                    List<String> portedPlayers = new ArrayList<String>();
+                    List<String> normalPlayers = new ArrayList<String>();
+                    for (Player p : Bukkit.getOnlinePlayers()) {
+                        if (ViaVersion.getInstance().isPorted(p)) {
+                            portedPlayers.add(p.getName());
+                        } else {
+                            normalPlayers.add(p.getName());
+                        }
+                    }
+
+                    sender.sendMessage(color("&8[&61.9&8]: &b" + portedPlayers.toString()));
+                    sender.sendMessage(color("&8[&61.8&8]: &b" + normalPlayers.toString()));
+                }
+            }
+
+        }
+        return false;
+    }
+    public String color(String string){
+        return string.replace("&", "§");
+    }
+}

src/main/java/us/myles/ViaVersion/ViaVersionPlugin.java

@@ -52,6 +52,7 @@ public class ViaVersionPlugin extends JavaPlugin implements ViaVersionAPI {
                 setPorted(e.getPlayer().getUniqueId(), false);
             }
         }, this);
+        getCommand("viaversion").setExecutor(new ViaVersionCommand());
     }
 
     public void injectPacketHandler() throws Exception {
@@ -78,6 +79,11 @@ public class ViaVersionPlugin extends JavaPlugin implements ViaVersionAPI {
         return portedPlayers.contains(player.getUniqueId());
     }
 
+    @Override
+    public String getVersion() {
+        return getDescription().getVersion();
+    }
+
     public void setPorted(UUID id, boolean value) {
         if (value) {
             portedPlayers.add(id);

src/main/java/us/myles/ViaVersion/api/ViaVersionAPI.java

@@ -9,4 +9,5 @@ public interface ViaVersionAPI {
      * @return
      */
     boolean isPorted(Player player);
+    String getVersion();
 }

src/main/resources/plugin.yml

@@ -4,3 +4,5 @@ author: _MylesC
 version: ${version}
 load: startup
 loadbefore: [ProtocolLib, ProxyPipe]
+commands:
+  viaversion: