Kotlin 1.9.21, wasmJs, bugfixing
- Bump to kotlin 1.9.21
- Expanded BigInteger API to expose bitLength as proposed by #254
- Added wasm-js target
- Fix for #269, thanks to @CodeServant
- Fix for #276, BigDecimal divrem was not rounding properly
- Fix for #277, round half to even was wrong when exponent was 0