Trying to build a psbt that's spending to a segwit regtest address results in the following error: `'unknown type of address: bcrt1q26ezj5pth4ta44eku3vmpvnejmsrhkfusczl83xlts5nkzyu3heqdzfqxa',` presumably expanding the check [here](https://github.com/buidl-bitcoin/buidl-python/blob/main/buidl/script.py#L616) to something like: ```python elif s[:4] in ("bc1q", "tb1q") or s[:6] == "bcrt1q": ``` is that all that would be needed?