Fix incorrect handling of _ in decimal #99
Merged
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BigDecimal supports '_' chars as visual
seperators in number strings in the pre and
post "." parts of the number.
The counting of post "." digits however
counts all characters but it should exclude '_' chars.
The underscore support comes from BigDecimal's use of num-bigint
https://github.com/rust-num/num-bigint/blob/6f2b8e0fc218dbd0f49bebb8db2d1a771fe6bafa/src/biguint/convert.rs#L246
#100