v2.7.50

• Added the new option passThrough in ZipReader, ZipWriter, and ZipDirectoryEntry#import methods. This allows reading/writing directly the raw data of zip entries without processing it (i.e. compressing or/and encrypting data)
• Added the new option offset in ZipWriter. This allows setting the offset of the first entry in the file to a value > 0. This can be useful when creating zip files with prepended data
• Completed the implementation of the bitFlag property in ZipWriter. It will now take into account the level of compression and update the bit flag value accordingly.
• Updated dev dependencies