Use 'python3 -mpip' to install hg-evolve

Also install python3-dev

Also install python3-setuptools

Explicitly install python3 in '.build.yml'

Update minimum supported mercurial to 5.1; Drop Python 2 support

Drop support for Mercurial 4.5 (no longer supported by evolve)

Fix missing clone instruction in the README

Remove accidentally added import

Simplify logic to detect rev

Move badge below the title in README.md

Adjust minimum tested version to 4.5 since that is what evolve supports

Enable sr.ht builds

Fix 'invert_escape' under Python 3 and add tests

Remove bitbucket-pipelines.yml

Support Mercurial under Python 3

Update README to new source location

Only reverse revsets that get expanded by bookbinder when running 'hg log'

Add test update example to README

Stop reversing commands by default

Add new test for testing specific mercurial commands