lite 1.05

Additions / Changes

• Sets the project directory as the current-working-directory
• Removes core.project_dir (note: use "." instead)
• Adds support for dragging a project folder onto the window
• Improves handling of uppercase/lowercase on fuzzy matching

Fixes

• Unintended Trailing slash on global EXEDIR
• Stuck-selection when dropping files on window
• Incorrect mouse-position resolution when dropping files on window
• autoreload plugin not stripping carriage-returns when reloading
• system.exec() command parameters on Windows
• Window not showing if nothing triggered core.redraw on the first frame (eg.
  when animations were disabled)
• Window surface not being updated in some cases where it should have