v1.9.0-b6

beta-6: Attempt to increase performance of rounding

Adds round option for both main and inner gauge.

Usage (main): round: [off | small | medium | full]

Usage (inner): round: [off | small | full]

Full Changelog: v1.9.0-b2...v1.9.0-b6

Full Changelog: v1.9.0-b5...v1.9.0-b6