- Add electrum 3.1.3 changes to lib, lib/tests.
- Get new electrum 3.1.3 lib/constants.py, add Zcash changes.
- Get original electrum 3.1.3 lib/blockchain.py (will be
- modified in next commits).
- Remove debian/ lib-util patch (fixed in 3.1.3 code).
- Remove lib/www (as in 3.1.3).