Correctly forward serialize_i128 / serialize_u128 to the original ser…

…ializer in Compact / Readable wrappers

For historical reasons Serializer trait has default implementation for 128-bit integers
which returns error, so it is important to not forgot to re-implement those methods.

src/configure.rs

@@ -205,10 +205,12 @@ macro_rules! impl_serializer {
                 serialize_i16 i16,
                 serialize_i32 i32,
                 serialize_i64 i64,
+                serialize_i128 i128,
                 serialize_u8 u8,
                 serialize_u16 u16,
                 serialize_u32 u32,
                 serialize_u64 u64,
+                serialize_u128 u128,
                 serialize_f32 f32,
                 serialize_f64 f64,
                 serialize_char char,