added license to package.json
Merge pull request #220 from Niggler/patch-1

added license to package.json
adding test cases for variable numbers of args
updating code to allow multiple arguments
Merge pull request #225 from desmosinc/variable-pos-args

Variable number of position arguments
fix incorrect version number

just read it from package.json so we don't need to change two places
move license into separate file
1.0.2
update copyright year
Merge pull request #241 from gdi2290/patch-1

update copyright year
Proper background-size keyword support

Prevents the background-size property from being ignored for non-retina
screens.