v.1.7.1
Sprite: Changed coordinates. Fixed #508
SASS: Crash in editor when typing /. Fixed #510
Sprite: Fixed mixed DPI issue.

All images in the sprite now defaults to the system DPI settings
Sprite: Changed behavior for DPI fix
CoffeeScript: Reversed --bare option. Fixed #480
Margin: Show preview without save. Fixed #507
Sprite: Added description comment
Minify: Handle unsupported file types. Fixed #522