= Changed lua plugins to run with arrays of output.

src/core/lua/Plugin.java

@@ -4,10 +4,13 @@ import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Path;
+import java.util.List;
+import java.util.Vector;
 import java.util.stream.Stream;
 
 import org.luaj.vm2.Globals;
 import org.luaj.vm2.LuaValue;
+import org.luaj.vm2.Varargs;
 import org.luaj.vm2.lib.jse.JsePlatform;
 
 // To promote flexibility, plugins are lua file with predefined callbacks.
@@ -45,14 +48,38 @@ public class Plugin
 		}
 	}
 	
-	public String Run(String args, PluginUser user)
+	public List<String> Run(String args, PluginUser user)
 	{
+		List<String> outputs = new Vector<String>();
+		
 		try
 		{
 			LuaValue res = func_plugin.call(LuaValue.valueOf(args), user.AsLua());
 			
 			if(!res.isnil())
-				return res.toString();
+			{
+				if(res.istable())
+				{
+					while(true)
+					{
+						LuaValue key = LuaValue.NIL;
+						while (true)
+						{
+							Varargs n = res.next(key);
+							key = n.arg1();
+							if (key.isnil())
+								break;
+							
+							LuaValue value = n.arg(2);
+							outputs.add(value.toString());
+						}
+					}
+				}
+				else
+				{
+					outputs.add(res.toString());
+				}
+			}
 		}
 		catch(Exception e)
 		{

src/core/lua/PluginManager.java

@@ -4,6 +4,7 @@ import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.ArrayList;
+import java.util.List;
 import java.util.stream.Stream;
 
 import dataStructures.KittyUser;
@@ -37,14 +38,17 @@ public class PluginManager
 		}
 	}
 	
-	// Runs all plugins, returning when it gets a non-nill result.
+	// Runs all plugins, returning when it gets a non-nill result. If there
+	// are mutliple strings returned in the list, it is because the plugin
+	// that was run returned multiple strings. Since plugins don't stack, it
+	// will never indicate that multiple 
 	// Otherwise, returns null.
-	public String RunAll(String input, KittyUser user)
+	public List<String> RunAll(String input, KittyUser user)
 	{
 		for(int i = 0; i < plugins.size(); ++i)
 		{
 			Plugin plugin = plugins.get(i);
-			String out = plugin.Run(input, new PluginUser(user));
+			List<String> out = plugin.Run(input, new PluginUser(user));
 			
 			if(out != null)
 			{

src/main/Main.java

@@ -18,6 +18,7 @@ import net.dv8tion.jda.core.hooks.ListenerAdapter;
 import offline.*;
 import utils.GlobalLog;
 import net.dv8tion.jda.core.*;
+import java.util.*;
 
 // http://www.slf4j.org/ - this JDA logging tool has been disabled by specifying NOP implementation.
 // This is the application entry point, and bot startup location!
@@ -86,10 +87,10 @@ public class Main extends ListenerAdapter
 		// Run plugins right before invoking the commands but after all other setup.
 		if(commandManager.InvokeOnNewThread(guild, channel, user, input, response) == false)
 		{
-			String pluginOutput = pluginManager.RunAll(input.message, user);
+			List<String> pluginOutput = pluginManager.RunAll(input.message, user);
 			
-			if(pluginOutput != null)
+			if(pluginOutput != null && pluginOutput.size() > 0)
-				response.Call(pluginOutput);
+				response.Call(pluginOutput.get(0));
 		}
 		
 		// Run any upkeep in post we need to