1.6.1: Bug fixes and minor improvements

New in this release:

• Searching for bookmarks using the !bookmarks command now shows more results.
• New tabs now use a dark color scheme when dark mode is enabled.
• Min will now attempt to create a backup file of your session restore data if it becomes corrupted.

Many bug fixes:

• Fixed building Min on Linux (thanks @shinenelson!)
• Opening a link with only an empty tab open no longer creates a second tab.
• Swipe gestures now work more reliably.
• Fixed the default font on newer versions of macOS.
• Fixed the PDF viewer not working.
• The context menu now works more reliably.
• Fixed clicking on searchbar items occasionally not working.
• Fixed the URL in the searchbar sometimes not matching the current page.