Xopt v1.4.0

What's Changed

• environment change and bugfixes by @roussel-ryan in #108
• Minor fixes by @t-bz in #107
• example file improvements by @roussel-ryan in #111
• Trainable prior mean by @t-bz in #109
• Fix acquisition for ExpectedImprovementGenerator by @t-bz in #112

New Contributors

• @t-bz made their first contribution in #107

Full Changelog: v1.3.1...v1.4.0