SRQuestDownloader v1.1.0

Lots of improvements, lots of suggestions addressed!

What's Changed

• Select difficulties for downloads (More song download filters #5 ). These are persisted across app runs.
• Select time cutoff for downloads (More song download filters #5 )
• Remove button for resetting fetch time since now the time cutoff can be changed (More song download filters #5 )
• Download up to 10 songs in parallel (Parallel downloads #6 )
• If a map is missing synthriderz.meta.json and we're downloading from Z, create it and add to the .synth file (Add synthriderz.meta.json when missing #10 )
• Set the map file timestamps to be published_at from the Z site, for in-game "newest" ordering to work (Change downloaded file date modified to be published_at date #11 )
• Add button to correct timestamps on all map files (Change downloaded file date modified to be published_at date #11 )

Full Changelog: v1.0.1...v1.1.0