v0.5

Mainly bug fixes concerning constraint mapping in the RBFE Protocol

What's Changed

• TST: fix stray directories being made during testing by @richardjgowers in #220
• Dry run now returns sampler via debug dictionary entry by @IAlibay in #217
• MAINT: Fixed up implicit none errors from mypy by @richardjgowers in #226
• Bug hunt fixes by @IAlibay in #225
• Add --log option to CLI by @dwhswenson in #218
• Xml regression tests by @richardjgowers in #231
• MAINT: remove old offtk from test matrix by @richardjgowers in #236
• bump pin on gufe by @richardjgowers in #235

Full Changelog: v0.4...v0.5