Fixed typo for archive extract
Added extract/archive feature for FTP connector (Windows)

- temp needs access from IUSR, 7z files in sysWOW64, 7z -x
- Added extract of .rar files
- changed 7z compression to uncompressed -mx0 (cause of performance)
- unicode paths to archive
- Archivesize limit hardcoded to 50MB
- create new folder return
- spaces, special chars and unique names
German Language fixed