LOGHX Update to Ver. 3.0 build 642 (14 may 2021)

Ver. 3.0 build 642 (14 may 2021 y.)
* Optimization internet search.
+ QSOEntry window: menu “Space – go to next field” –
use “Space”-key as “Tab”-key
+ New window for check new release/prerelease.
Now you can downdload and install new version from log.
* Bugfix.