Fixing ArchiveFactory.Open IsRarFile: https://sharpcompress.codeplex.com/workitem/35
Fixing ArchiveFactory.Open IsRarFile: https://sharpcompress.codeplex.com/workitem/35

Gert-Jan/sharpcompress,Icenium/sharpcompress,catester/sharpcompress,adamhathcock/sharpcompress,RainsSoft/sharpcompress,tablesmit/sharpcompress,weltkante/sharpcompress,sepehr1014/sharpcompress,adamhathcock/sharpcompress,Wagnerp/sharpcompress,KOLANICH/sharpcompress,majorsilence/sharpcompress,ycaihua/sharpcompress,adamhathcock/sharpcompress