Changes Huffman to in-place & Adds CircularBuffer (#287)

- [X] Adds CircularBuffer
- [X] Updates Packet Encoding/Decoding
- [X] Changes Huffman to in-place

Bumps release version

Projects/Server/Buffers/SpanWriter.cs

@@ -13,14 +13,14 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  *************************************************************************/
 
-using System;
 using System.Buffers.Binary;
 using System.Data;
 using System.IO;
 using System.Runtime.CompilerServices;
 using System.Text;
+using Server;
 
-namespace Server.Buffers
+namespace System.Buffers
 {
     public ref struct SpanWriter
     {