Rewritten settings parser; Added new quirk for Firefox

Hotfix for Edge 16

Version 4.3.2

Minor changes and fixes

Added optional telemetry + example; Updated documentation; Minor chan…

…ges and fixes

Updated doc.md

The time limits are now ignored if the speed is still 0.00 when the l…

…imit is reached

Removed unused Fetch API support (may come back in future); Removed q…

…uirk for Safari, now treated as chromium-based browser

Added quickstart videos

Added customizable grace time at beginning of tests; GET parameters c…

…an now be used in the URLs in the settings; Minor changes