Scrypto toolkit v0.2.2

• Changes how arguments are passed
• Added methods to get the balance of a specific vault
• Added methods to mint simple non-fungible resources
• Corrected bug with Fungible proofs
• Better handling of options with two new custom macros

Scrypto-Toolkit v0.2.1

This release makes the following changes:

• Refactor Proofs and Buckets to make them more user-friendly
• Update to v1.2.0 of Scrypto
• Added an internal_prelude to ease the management of all imports.
• Enhanced prelude so that users can simply import test_engine::prelude::* to make their tests
• Added a nf_ids macro to be able to create non-fungible ids easier