0.26.0 System Minimization Improvements

0.26.0 System Minimization Improvements

This release removes the barostat force during system minimization and fixes various warnings.
There are no API breaks in this release.

• Fix AST deprecation warning & support pyyaml when built without C extensions
  PR #800
• Remove the barostat force from the system during minimization
  PR #798. Minimization is now explicitly performed without any barostats; before these changes it only worked for the MonteCarloBarostat.

More details 👇

What's Changed

• Remove the barostat force from the system during minimization by @hannahbaumann in #798
• fix deprecation is ast module by @mikemhenry in #800
• release 0.26.0 by @mikemhenry in #802

Full Changelog: 0.25.3...0.26.0