Merge pull request rust-bitcoin#107 from sanket1729/release-1.0.0

Release 1.0.0

Merge pull request rust-bitcoin#68 from stevenroose/release-0.12.0

Update rust-bitcoin depdency to v0.23.0

Merge pull request rust-bitcoin#54 from apoelstra/2019-10-fix-true-false

rename true/false to 1/0; increase major version to 0.11

Merge pull request rust-bitcoin#43 from apoelstra/2019-09-bitcoin-update

update rust-bitcoin to 0.20

Merge pull request rust-bitcoin#42 from apoelstra/2019-09-newversion

fix some API bugs; new version

Merge pull request rust-bitcoin#37 from sanket1729/older-after

Older-after interchange bug

Merge pull request rust-bitcoin#21 from apoelstra/2019-08-release-0.7

Cleanups and bugfixes and 0.6 release

fix some constants in witness size estimation (and actually version 0…

….5.3)

add `address` function to `Descriptor`; version 0.5.1

abstractpolicy: add functionality to list timelocks