URL1: http://jaylee.tistory.com/entry/C%EC%97%90%EC%84%9C-%EC%95%95%EC%B6%95Zip-%EC%95%95%EC%B6%95%ED%95%B4%EC%A0%9CUnzip-%ED%95%98%EB%8A%94%EB%B2%95

URL2: http://icodebroker.tistory.com/1614

URL3: https://msdn.microsoft.com/ko-kr/library/system.io.compression.zipfile(v=vs.110).aspx