Check hasOwnProperty before copying property
Check hasOwnProperty before copying property

SaschaNaz/TypeScript,weswigham/TypeScript,basarat/TypeScript,basarat/TypeScript,kpreisser/TypeScript,nojvek/TypeScript,basarat/TypeScript,Microsoft/TypeScript,SaschaNaz/TypeScript,alexeagle/TypeScript,microsoft/TypeScript,minestarks/TypeScript,RyanCavanaugh/TypeScript,weswigham/TypeScript,minestarks/TypeScript,kpreisser/TypeScript,basarat/TypeScript,alexeagle/TypeScript,SaschaNaz/TypeScript,Microsoft/TypeScript,microsoft/TypeScript,kpreisser/TypeScript,kitsonk/TypeScript,donaldpipowitch/TypeScript,SaschaNaz/TypeScript,nojvek/TypeScript,RyanCavanaugh/TypeScript,donaldpipowitch/TypeScript,kitsonk/TypeScript,donaldpipowitch/TypeScript,Microsoft/TypeScript,kitsonk/TypeScript,alexeagle/TypeScript,nojvek/TypeScript,weswigham/TypeScript,nojvek/TypeScript,donaldpipowitch/TypeScript,RyanCavanaugh/TypeScript,minestarks/TypeScript,microsoft/TypeScript