Corrected set-fault when self.name is nil and componentsJoinedByString failing to join such nil components.
Merge pull request #47 from OleksiyA/seg-fault-fix

Corrected set-fault when self.name is nil and componentsJoinedByString failing to join such nil components.
Merge branch 'master' of https://github.com/nygard/class-dump into codeunsign