Squashed commit of the following:

commit 8c4a45e384accf92b1b6d748530e8d46f7de40d6
Author: vnugent <public@vaughnnugent.com>
Date:   Sat Apr 20 11:10:30 2024 -0400

    refactor: Overhaul C libraries and fix builds

commit 42ff77080d10b0fc9fecbbc46141e8e23a1d066a
Author: vnugent <public@vaughnnugent.com>
Date:   Sat Apr 20 00:45:57 2024 -0400

    fix!: Middlware array, multiple cookie set, and cookie check

commit 97e82b9d66f387f9e6d21d88ddc7a8ab8693149c
Merge: 4ca5791 e07537a
Author: vnugent <public@vaughnnugent.com>
Date:   Tue Apr 2 13:34:22 2024 -0400

    Merge branch 'main' into develop

commit 4ca5791ed67b9834bdbd010206b30373e4705e9b
Author: vnugent <public@vaughnnugent.com>
Date:   Tue Apr 2 13:32:12 2024 -0400

    fix: Missed ! on null pointer check

commit 9b4036377c52200c6488c98180d69a0e63321f97
Author: vnugent <public@vaughnnugent.com>
Date:   Tue Apr 2 13:22:29 2024 -0400

    fix: Fix _In_ macro for compression public api

commit 53a7b4b5c5b67b4a4e06e1d9098cac4bcd6afd7c
Merge: 448a93b 21130c8
Author: vnugent <public@vaughnnugent.com>
Date:   Sun Mar 31 17:01:15 2024 -0400

    Merge branch 'main' into develop

commit 448a93bb1d18d032087afe2476ffccb98634a54c
Author: vnugent <public@vaughnnugent.com>
Date:   Sun Mar 31 16:56:51 2024 -0400

    ci: fix third-party dir cleanup

commit 9afed1427472da1ea13079f98dbe27339e55ee7d
Author: vnugent <public@vaughnnugent.com>
Date:   Sun Mar 31 16:43:15 2024 -0400

    perf: Deprecate unsafememoryhandle span extensions

commit 3ff90da4f02af47ea6d233fdd4445337ebe36452
Author: vnugent <public@vaughnnugent.com>
Date:   Sat Mar 30 21:36:18 2024 -0400

    refactor: Updates, advanced tracing, http optimizations

commit 8d6b79b5ae309b36f265ba81529bcef8bfcd7414
Merge: 6c1667b 5585915
Author: vnugent <public@vaughnnugent.com>
Date:   Sun Mar 24 21:01:31 2024 -0400

    Merge branch 'main' into develop

commit 6c1667be23597513537f8190e2f55d65eb9b7c7a
Author: vnugent <public@vaughnnugent.com>
Date:   Fri Mar 22 12:01:53 2024 -0400

    refactor: Overhauled native library loading and lazy init

commit ebf688f2f974295beabf7b5def7e6f6f150551d0
Author: vnugent <public@vaughnnugent.com>
Date:   Wed Mar 20 22:16:17 2024 -0400

    refactor: Update compression header files and macros + Ci build

commit 9c7b564911080ccd5cbbb9851a0757b05e1e9047
Author: vnugent <public@vaughnnugent.com>
Date:   Tue Mar 19 21:54:49 2024 -0400

    refactor: JWK overhaul & add length getter to FileUpload

commit 6d8c3444e09561e5957491b3cc1ae858e0abdd14
Author: vnugent <public@vaughnnugent.com>
Date:   Mon Mar 18 16:13:20 2024 -0400

    feat: Add FNV1a software checksum and basic correction tests

commit 00d182088cecefc08ca80b1faee9bed3f215f40b
Author: vnugent <public@vaughnnugent.com>
Date:   Fri Mar 15 01:05:27 2024 -0400

    chore: #6 Use utils filewatcher instead of built-in

commit d513c10d9895c6693519ef1d459c6a5a76929436
Author: vnugent <public@vaughnnugent.com>
Date:   Sun Mar 10 21:58:14 2024 -0400

    source tree project location updated

4 files changed, 40 insertions, 29 deletions

diff --git a/lib/Net.Http/src/Core/ConnectionInfo.cs b/lib/Net.Http/src/Core/ConnectionInfo.cs
index 3af2b44..bcc5fe7 100644
--- a/lib/Net.Http/src/Core/ConnectionInfo.cs
+++ b/lib/Net.Http/src/Core/ConnectionInfo.cs
@@ -110,8 +110,9 @@ namespace VNLib.Net.Http
                 Secure = secure | CrossOrigin,
                 HttpOnly = httpOnly
             };
+
             //Set the cookie
-            Context.Response.AddCookie(cookie);
+            Context.Response.AddCookie(in cookie);
         }
        
         internal ConnectionInfo(HttpContext ctx)
diff --git a/lib/Net.Http/src/Core/HttpCookie.cs b/lib/Net.Http/src/Core/HttpCookie.cs
index e19aaec..b805e3e 100644
--- a/lib/Net.Http/src/Core/HttpCookie.cs
+++ b/lib/Net.Http/src/Core/HttpCookie.cs
@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2023 Vaughn Nugent
+* Copyright (c) 2024 Vaughn Nugent
 * 
 * Library: VNLib
 * Package: VNLib.Net.Http
@@ -30,44 +30,43 @@ using VNLib.Utils.Extensions;
 
 namespace VNLib.Net.Http.Core
 {
-    internal sealed class HttpCookie : IStringSerializeable, IEquatable<HttpCookie>
+    internal readonly struct HttpCookie(string name) : IStringSerializeable, IEquatable<HttpCookie>
     {
-        public string Name { get; }
-        public string? Value { get; init; }
-        public string? Domain { get; init; }
-        public string? Path { get; init; }
-        public TimeSpan MaxAge { get; init; }
-        public CookieSameSite SameSite { get; init; }
-        public bool Secure { get; init; }
-        public bool HttpOnly { get; init; }
-        public bool IsSession { get; init; }
-
-        public HttpCookie(string name) => Name = name;
-
-        public string Compile()
-        {
-            throw new NotImplementedException();
-        }
+        public readonly string Name { get; } = name;
+        public readonly string? Value { get; init; }
+        public readonly string? Domain { get; init; }
+        public readonly string? Path { get; init; }
+        public readonly TimeSpan MaxAge { get; init; }
+        public readonly CookieSameSite SameSite { get; init; }
+        public readonly bool Secure { get; init; }
+        public readonly bool HttpOnly { get; init; }
+        public readonly bool IsSession { get; init; }
+
+        public readonly string Compile() => throw new NotImplementedException();
 
-        public void Compile(ref ForwardOnlyWriter<char> writer)
+        public readonly void Compile(ref ForwardOnlyWriter<char> writer)
         {
             //set the name of the cookie
             writer.Append(Name);
             writer.Append('=');
+
             //set name
             writer.Append(Value);
+
             //Only set the max age parameter if the cookie is not a session cookie
             if (!IsSession)
             {
                 writer.Append("; Max-Age=");
                 writer.Append((int)MaxAge.TotalSeconds);
             }
+
             //Make sure domain is set
             if (!string.IsNullOrWhiteSpace(Domain))
             {
                 writer.Append("; Domain=");
                 writer.Append(Domain);
             }
+
             //Check and set path
             if (!string.IsNullOrWhiteSpace(Path))
             {
@@ -75,7 +74,9 @@ namespace VNLib.Net.Http.Core
                 writer.Append("; Path=");
                 writer.Append(Path);
             }
+
             writer.Append("; SameSite=");
+
             //Set the samesite flag based on the enum value
             switch (SameSite)
             {
@@ -90,28 +91,31 @@ namespace VNLib.Net.Http.Core
                     writer.Append("Lax");
                     break;
             }
+
             //Set httponly flag
             if (HttpOnly)
             {
                 writer.Append("; HttpOnly");
             }
+
             //Set secure flag
             if (Secure)
             {
                 writer.Append("; Secure");
             }
         }
-        public ERRNO Compile(Span<char> buffer)
+
+        public readonly ERRNO Compile(Span<char> buffer)
         {
             ForwardOnlyWriter<char> writer = new(buffer);
             Compile(ref writer);
             return writer.Written;
         }
 
-        public override int GetHashCode() => Name.GetHashCode();
+        public readonly override int GetHashCode() => string.GetHashCode(Name, StringComparison.OrdinalIgnoreCase);
 
-        public override bool Equals(object? obj) => obj is HttpCookie other && Equals(other);
+        public readonly override bool Equals(object? obj) => obj is HttpCookie other && Equals(other);
 
-        public bool Equals(HttpCookie? other) => other != null && Name.Equals(other.Name, StringComparison.OrdinalIgnoreCase);
+        public readonly bool Equals(HttpCookie other) => Name.Equals(other.Name, StringComparison.OrdinalIgnoreCase);
     }
 }
\ No newline at end of file
diff --git a/lib/Net.Http/src/Core/Response/HttpResponse.cs b/lib/Net.Http/src/Core/Response/HttpResponse.cs
index 06f114c..1340dac 100644
--- a/lib/Net.Http/src/Core/Response/HttpResponse.cs
+++ b/lib/Net.Http/src/Core/Response/HttpResponse.cs
@@ -44,7 +44,9 @@ namespace VNLib.Net.Http.Core.Response
         , IStringSerializeable
 #endif
     {
-        private readonly HashSet<HttpCookie> Cookies = [];
+        const int DefaultCookieCapacity = 2;
+
+        private readonly Dictionary<string, HttpCookie> Cookies = new(DefaultCookieCapacity, StringComparer.OrdinalIgnoreCase);
         private readonly DirectStream ReusableDirectStream = new();
         private readonly ChunkedStream ReusableChunkedStream = new(manager.ChunkAccumulatorBuffer, ContextInfo);
         private readonly HeaderDataAccumulator Writer = new(manager.ResponseHeaderBuffer, ContextInfo);
@@ -86,7 +88,7 @@ namespace VNLib.Net.Http.Core.Response
         /// </summary>
         /// <param name="cookie">Cookie to add</param>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        internal void AddCookie(HttpCookie cookie) => Cookies.Add(cookie);
+        internal void AddCookie(in HttpCookie cookie) => Cookies[cookie.Name] = cookie;
 
         /// <summary>
         /// Compiles and flushes all headers to the header accumulator ready for sending
@@ -132,7 +134,7 @@ namespace VNLib.Net.Http.Core.Response
             //Write cookies if any are set
             if (Cookies.Count > 0)
             {
-                foreach (HttpCookie cookie in Cookies)
+                foreach (HttpCookie cookie in Cookies.Values)
                 {
                     writer.Append("Set-Cookie: ");
 
@@ -298,6 +300,7 @@ namespace VNLib.Net.Http.Core.Response
         {
             ReusableChunkedStream.OnRelease();
             ReusableDirectStream.OnRelease();
+            Cookies.TrimExcess(DefaultCookieCapacity);
         }
 
         ///<inheritdoc/>
@@ -428,7 +431,7 @@ namespace VNLib.Net.Http.Core.Response
             }
 
             //Enumerate and write
-            foreach (HttpCookie cookie in Cookies)
+            foreach (HttpCookie cookie in Cookies.Values)
             {
                 writer.Append("Set-Cookie: ");
 
diff --git a/lib/Net.Http/src/Helpers/HttpHelpers.cs b/lib/Net.Http/src/Helpers/HttpHelpers.cs
index 86511a5..86616f8 100644
--- a/lib/Net.Http/src/Helpers/HttpHelpers.cs
+++ b/lib/Net.Http/src/Helpers/HttpHelpers.cs
@@ -172,7 +172,7 @@ namespace VNLib.Net.Http
             return ComputeCodeHashLookup(
                 Enum.GetValues<HttpMethod>()
                 //Exclude the not supported method
-                .Except(new HttpMethod[] { HttpMethod.None })
+                .Except([ HttpMethod.None ])
                 .Select(m => KeyValuePair.Create(m.ToString(), m))
             ).ToFrozenDictionary();
         }
@@ -284,6 +284,9 @@ namespace VNLib.Net.Http
         /// <returns>True if first 2 bytes of each address match (Big Endian)</returns>
         public static bool IsLocalSubnet(this IPAddress first, IPAddress other)
         {
+            ArgumentNullException.ThrowIfNull(first);
+            ArgumentNullException.ThrowIfNull(other);
+
             if(first.AddressFamily != other.AddressFamily)
             {
                 return false;