Made commands case-insensitive, but maintained case in arguments and content. Removed test function

bot.lua

@@ -21,9 +21,10 @@ end)
 client:on('messageCreate', function(message)
   if message.author.bot then return end
   local args = message.content:split(" ")
-  local command = commands[args[1]]
+  local lowerArgs = args[1]:lower()
+  local command = commands[lowerArgs]
   if command then
-    command.exec(message)
+    command.exec(message, args)
   end
 end)
 

simpleCommands.lua

@@ -40,6 +40,11 @@ local commands = { -- Define commands its a table that will contain our commands
         message:delete()
     end
     };
+[prefix..'testArgs'] = { -- 
+   exec = function (message, args)
+        message.channel:send(args[2])
+    end
+    };
 }