Added Type stubbing

CodeGenerator/StrExt.cs

@@ -15,6 +15,10 @@ namespace CodeGenerator {
                 "string" => typeof(string).AssemblyQualifiedName,
                 "void" => typeof(object).AssemblyQualifiedName,
                 "ushort" => typeof(ushort).AssemblyQualifiedName,
+                "uchar" => typeof(byte).AssemblyQualifiedName,
+                "int64_t" => typeof(long).AssemblyQualifiedName,
+                "int8_t" => typeof(sbyte).AssemblyQualifiedName,
+                "uint64_t" => typeof(ulong).AssemblyQualifiedName,
                 _ => str
             };
         }