Fix bad serials (#304)

- [X] Fixes bad serial calculations
- [X] Tightens HexStrings

Bumps release version
Updates documentation

Projects/Server.Tests/Network/Packets/Old/Outgoing/DamagePackets.cs

@@ -1,28 +0,0 @@
-using System;
-
-namespace Server.Network
-{
-    public sealed class DamagePacketOld : Packet
-    {
-        public DamagePacketOld(Serial mobile, int amount) : base(0xBF)
-        {
-            EnsureCapacity(11);
-
-            Stream.Write((short)0x22);
-            Stream.Write((byte)1);
-            Stream.Write(mobile);
-
-            Stream.Write((byte)Math.Clamp(amount, 0, 255));
-        }
-    }
-
-    public sealed class DamagePacket : Packet
-    {
-        public DamagePacket(Serial mobile, int amount) : base(0x0B, 7)
-        {
-            Stream.Write(mobile);
-
-            Stream.Write((ushort)Math.Clamp(amount, 0, 0xFFFF));
-        }
-    }
-}