Major restructuring

This makes things much easier to use as a library

src/Server/Client.zig

@@ -1,4 +1,5 @@
-const Message = @import("message_parser.zig").Message;
+const parse = @import("parse.zig");
+const Message = parse.Message;
 const std = @import("std");
 const Queue = std.Io.Queue;
 
@@ -193,7 +194,7 @@ test send {
 }
 
 pub fn next(self: *Client, allocator: std.mem.Allocator) !Message {
-    return Message.next(allocator, self.from_client);
+    return parse.next(allocator, self.from_client);
 }
 
 test next {