Urh

These issues were fixed in this release:

- 339 - keep tree in analysis collapsed if check box toggled
- 338 - make pause threshold configurable in interpretation
- 333 - keep search string if search fails in analysis

This release fixes the following issues:

- [330](https://github.com/jopohl/urh/pull/330) - Improve modulation for large protocols
- [329](https://github.com/jopohl/urh/pull/329) - Improve handling of protocol files
- [324](https://github.com/jopohl/urh/issues/324) - LimeSDR: Failed to receive stream
- [297](https://github.com/jopohl/urh/issues/297) - LimeSDR RX antenna always LNA_L

This release fixes two crashes as described in 327.

This release fixes 323 .

This is a hotfix release that fixes native device extensions on Windows when conflicting SDR software is installed.
Furthermore, a health check button for native device extensions was added to options.

Details can be found in this PR: 321