removed classes construction.
added test mixing for comma separated and other options include.
added core mixin for retina
removed pseudo construction support.
finished core mixins and merged with center (removed center mixins).
#10 changed icons@x2 folder name to icons@2x
updated sass to 3.3.5 also updated readme
improved sprite include, now it's easier to include main image also hover & active states, now you can include any image for additional states
updated readme
updated readme
updated version and readme
readme change
Merge branch 'develop' of https://github.com/paulgabronis/Easy-Sprites

Conflicts:
	README.md