2nd Release

• Added i128::from_u128 method to make things consistent across i32 and i64 modules.
• Improved sub functionality by reducing operations

Initial Release

The first release of the integer-library.

• Thanks to Cetus team for the Initial work.
• This library improves implementations, adds additions, and formally verifies them to be correct.
• Thanks to Asymptotic for their working formally verifying all operations involved