v2.1.1

• zip: Fix typo in constant name zip.ERR_INVALID_PASSWORD (was previously named zip.ERR_INVALID_PASSORD)
• zip: Add properties Entry#filenameUT8 and Entry#commentUT8 which help to determine if respectively the filename and the comment are encoded in UTF-8 in the zip file
• zip: Fix support of UTF8 comments stored in extra fields
• zip.fs: Fix support of options parameter when importing/exporting data