Better Selection

• Added support for macOS:
  • ⌘ Command+← moves the cursor to the beginning of the line
  • ⌘ Command+→ moves the cursor to the end of the line
  • ⌘ Command+⌫ Backspace deletes everything to the left of the cursor
  • ⌘ Command+⌦ Delete deletes everything to the right of the cursor
  • Shortcuts that use Ctrl on Windows use ⌥ Option on macOS
• Enabled text selection with the mouse
  • You can now select text in textboxes by dragging the mouse over it

Thanks to Slackow for contributing to this release!