- when performing nom install (which calls build-libbitcoind), the diff from PATCH_VERSION is taken and compared to what's in etc/bitcoin.patch. If there are differences, then the user is asked if they would like to re-patch with what's in etc/bitcoin.patch or not.
- using ASSUME_YES=true env variable will allow the patch to be replaced automatically without user intervention
- Answering anything but 'y' or 'Y' will leaving the user's libbitcoind alone.
- Removed config option for build scripts, replaced with env variable
- Updated README
- Added regtest option under test build, wallet built-in
- added network key to bindings
- datadir for the bitcoind object instead of directory
- added new config_options scripts for test and debug