message: Make AbiSerializer work the same way as FC_REFLECT macros for UInt{64,32,16,8} types
diff: @@ -55,10 +55,10 @@ namespace eos { namespace types {
  built_in_types.emplace("FixedString16", packUnpack<FixedString16>());
  built_in_types.emplace("TypeName", packUnpack<TypeName>());
  built_in_types.emplace("Bytes", packUnpack<Bytes>());
  - built_in_types.emplace("UInt8", packUnpack<uint8_t>());
  - built_in_types.emplace("UInt16", packUnpack<uint16_t>());
  - built_in_types.emplace("UInt32", packUnpack<uint32_t>());
  - built_in_types.emplace("UInt64", packUnpack<uint64_t>());
  + built_in_types.emplace("UInt8", packUnpack<UInt8>());
  + built_in_types.emplace("UInt16", packUnpack<UInt16>());
  + built_in_types.emplace("UInt32", packUnpack<UInt32>());
  + built_in_types.emplace("UInt64", packUnpack<UInt64>());
  built_in_types.emplace("UInt128", packUnpack<UInt128>());
  built_in_types.emplace("UInt256", packUnpack<UInt256>());
  built_in_types.emplace("Int8", packUnpack<int8_t>());
  