Add sadd
Add smembers
Add sismember
Add some specs for SETS functionality
Wipe console.log(e) from the face of earth
Add srem
Change minified size in README to tell the truth
Update README to cover sets functionality
Fix grammar in README
Add support for IE8

Polyfill indexOf
Remove DS_Store
Bump Lockr to v0.7.0
Merge pull request #8 from eavgerinos/add_sets

Add sets support