Added method NSDictionary#map
Merge pull request #14 from nadinengland/dictionary-map

Dictionary map
Select method for NSSet
Merge pull request #15 from MrZoidberg/master

'Select' method for NSSet
updated readme
added specs for reject, select on NSSet
added -sort on NSArray and NSSet
added travis.yml. probably it won't work yet
Enabled all the warnings with liftoff
Fixed warnings
Use 4 spaces for indentation
Merge pull request #17 from irrationalfab/warnings

Warnings
added some newlines to make compiler happy
fixed readme
Travis set up, but build fails because of Code signing.
changed distribution code signing. to make travis happy.
improve take: method
updated pods
optimizing
Merge pull request #19 from Serheo/master

Improving of take: method