First commit.
Change all property attributes to `readonly`.
Add NULL check.
Add sample code.
Add LICENSE file.
Organize project files for CocoaPods.
Add Travis CI configurations.
Add shared build scheme for Travis CI.
Add Makefile for Travis CI.
Add Coverall configurations.
Update README (Add Travis CI badge)
Fix Makefile.
Fix Travis CI config.
Fix CI settings.
Fix CI settings.
Update README (Add Coverall badge)
Update README
Add convienience initializer.
Merge pull request #1 from kishikawakatsumi/pr

Ported Objective-C version of VerbalExpressions