1.0.0 Catalina

Breaking Changes:

• The -ceups and -leups shortcut syntax was removed without replacement. Just use --cisco or -c etc.
• Most of the exit codes have changed.
• Dropped support for macOS 10.9 and earlier
• The delete command now requires sudo rather than asking for privileges in a GUI prompt.
• Build with Xcode version 11

Features:

• Added macosvpn delete --all to remove all L2TP and Cisco VPN services.

Improvements:

• Refactored away all Objective-C code. Now everything is on Swift 5.
• Many long functions are now broken up into smaller files.