message: Rename some BigInt* symbols to Uint128*
diff: @@ -116,13 +116,13 @@ impl<'de> Deserialize<'de> for Uint128 {
  where
  D: Deserializer<'de>,
  {
  - deserializer.deserialize_str(BigIntVisitor)
  + deserializer.deserialize_str(Uint128Visitor)
  }
  }
  -struct BigIntVisitor;
  +struct Uint128Visitor;
  -impl<'de> de::Visitor<'de> for BigIntVisitor {
  +impl<'de> de::Visitor<'de> for Uint128Visitor {
  type Value = Uint128;
  fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
  @@ -135,7 +135,7 @@ impl<'de> de::Visitor<'de> for BigIntVisitor {
  {
  match v.parse::<u128>() {
  Ok(u) => Ok(Uint128(u)),
  - Err(e) => Err(E::custom(format!("invalid BigInt '{}' - {}", v, e))),
  + Err(e) => Err(E::custom(format!("invalid Uint128 '{}' - {}", v, e))),
  }
  }
  }
  @@ -155,7 +155,7 @@ mod test {
  }
  #[test]
  - fn to_and_from_bigint() {
  + fn to_and_from_uint128() {
  let a: Uint128 = 12345.into();
  assert_eq!(12345, a.u128());
  assert_eq!("12345", a.to_string());
  @@ -169,7 +169,7 @@ mod test {
  }
  #[test]
  - fn bigint_json() {
  + fn uint128_json() {
  let orig = Uint128(1234567890987654321);
  let serialized = to_vec(&orig).unwrap();
  assert_eq!(serialized.as_slice(), b"\"1234567890987654321\"");
  @@ -178,7 +178,7 @@ mod test {
  }
  #[test]
  - fn bigint_compare() {
  + fn uint128_compare() {
  let a = Uint128(12345);
  let b = Uint128(23456);
  @@ -188,7 +188,7 @@ mod test {
  }
  #[test]
  - fn bigint_math() {
  + fn uint128_math() {
  let a = Uint128(12345);
  let b = Uint128(23456);
  @@ -198,7 +198,7 @@ mod test {
  #[test]
  #[should_panic]
  - fn bigint_math_prevents_overflow() {
  + fn uint128_math_prevents_overflow() {
  let a = Uint128(12345);
  let b = Uint128(23456);
  // this will underflow, should panic
  