Update stylus 0.48.1 -> 0.49.0
Update stylus 0.48.1 -> 0.49.2, loader-utils 0.2.3 -> 0.2.5, nib 1.0.3 -> 1.0.4
Merge pull request #24 from kompot/master

Update stylus 0.48.1 -> 0.49.2, nib to 1.0.4, loader-utils to 0.2.5