Some refactoring of code. and some cleanups

Source/Game/Guilds/Guild.cs

@@ -2480,7 +2480,7 @@ namespace Game.Guilds
             public void SetStats(Player player)
             {
                 m_name = player.GetName();
-                m_level = (byte)player.getLevel();
+                m_level = (byte)player.GetLevel();
                 m_class = player.GetClass();
                 _gender = (Gender)(byte)player.m_playerData.NativeSex;
                 m_zoneId = player.GetZoneId();
@@ -3751,7 +3751,7 @@ namespace Game.Guilds
 
                 // Reserve space
                 ItemPosCount pos = new ItemPosCount(slotId, requiredSpace);
-                if (!pos.isContainedIn(m_vec))
+                if (!pos.IsContainedIn(m_vec))
                 {
                     m_vec.Add(pos);
                     count -= requiredSpace;

Source/Game/Guilds/GuildFinderManager.cs

@@ -22,7 +22,6 @@ using Game.Entities;
 using Game.Network.Packets;
 using System;
 using System.Collections.Generic;
-using System.Linq;
 
 namespace Game.Guilds
 {