- Adds ability to parse, compute, and verify checksums
- Adds functions to specialize key family descriptors in output (and script) descriptors to a particular index
- Adds function for building a PSBT input
- Adds function for calculating various script fragments associated with a descriptor
- Refactors script descriptors module in order to make invalid descriptors unrepresentable.
- Adds utility functions to compile script descriptors and produce addresses from output descriptors.
First release