Fix Drop to Properly Reset Instrument and Set it to Local Control Mode (

#16)

The TTI, 2600, and VersaTest models were not completely getting an
instrument back to Local mode. This change modifies the `impl Drop` for
those instruments to ensure they are properly reset.

Resolves TSP-768

CHANGELOG.md

@@ -16,6 +16,12 @@ Check [Keep a Changelog](http://keepachangelog.com/) for recommendations on how
     Security -- in case of vulnerabilities.
 -->
 
+## [0.17.0]
+
+### Changed
+
+- Properly close connections when an instrument model is `drop`'d
+
 ## [0.16.1]
 
 ### Fixed
@@ -59,7 +65,8 @@ Check [Keep a Changelog](http://keepachangelog.com/) for recommendations on how
 - Using `read_password`instead of `prompt_password` of rpassword crate (TSP-517)
 
 <!--Version Comparison Links-->
-[Unreleased]: https://github.com/tektronix/tsp-toolkit-kic-lib/compare/v0.16.1..HEAD
+[Unreleased]: https://github.com/tektronix/tsp-toolkit-kic-lib/compare/v0.17.0..HEAD
+[0.17.0]: https://github.com/tektronix/tsp-toolkit-kic-lib/releases/tag/v0.17.0
 [0.16.1]: https://github.com/tektronix/tsp-toolkit-kic-lib/releases/tag/v0.16.1
 [0.15.1]: https://github.com/tektronix/tsp-toolkit-kic-lib/releases/tag/v0.15.1
 [0.15.0]: https://github.com/tektronix/tsp-toolkit-kic-lib/releases/tag/v0.15.0