Implement Method.HasSameSignature for signature comparison.

src/AST/Method.cs

@@ -1,6 +1,6 @@
+using System;
 using System.Collections.Generic;
 using System.Linq;
-using CppSharp.AST.Extensions;
 
 namespace CppSharp.AST
 {
@@ -189,6 +189,11 @@ namespace CppSharp.AST
 
         private bool? isOverride;
 
+        public bool HasSameSignature(Method other)
+        {
+            return Parameters.SequenceEqual(other.Parameters, ParameterTypeComparer.Instance);
+        }
+
         public override string ToString()
         {
             return DebugText;