Implement strLen to get new version number
Implement strLen to get new version number

Added comments to `rbar.bat`.

Sanitized echo.

Instead of using at-sign, used a single @echo off at the beginning of the
file.

Localized variables using `setlocal` and `endlocal`.

Changed exit to not close script-running window if running from cmd.

gaieepo/HubTurbo,gaieepo/HubTurbo