Merge pull request #1 from yahoo/first

initial checkin
add coveralls; update README
Update coveralls badge
add coveralls to devDependencies
Merge branch 'coveralls' of github.com:yahoo/storage-lru into coveralls
Merge pull request #4 from yahoo/coveralls

add coveralls; update README
pretty print last usage example
Merge pull request #6 from KoulMomo/patch-1

pretty print last usage example
move callback outside of try to avoid callback being invoked twice; fix getItem() for the case where storage item exists but with empty value.
align code better, add more comments
Update getItem() example
Merge pull request #8 from yahoo/fixCallback

Fix callback
0.0.2