v2.2.0

The major part of this release is about async support. It also contains new conditions in condition API and some smaller fixes.

What's Changed

• ENH: Add async tasks by @Miksus in #60
• ENH: session force shutdown by @Miksus in #61
• ENH: Add new conditions to condition API by @Miksus in #57
• FIX: Task to JSON by @Miksus in #62
• FIX: Support for nested parameters and FuncParam reference by @Miksus in #56
• DOCS: update by @Miksus in #63

Full Changelog: v2.1.2...v2.2.0