Fixed FTP issues

Merge pull request #57 from Snowbaha/patch-1

fix issue rights with FTP mode

Fixed licence name

2.5.8

Fixed licence name

Filemode for thumbnails

Merge pull request #53 from AlexiZ/patch-1

Add FIleMode option to thumbnails

Plugins path fix

Merge pull request #52 from helios-ag/plugins_fix

fixed plugins pathing

Normalize plugin fix

Normalize plugin fix from #50 by @ugurerkan

Thumbnail plugin

• #48 Added thumbnail plugin by @benblub

Mkdir fix #47

Merge pull request #47 from wouterb/fix-flysystem-mkdir

fix mkdir returns false

Fixes for encode/decode methods and missing file extension

Merge pull request #43 from Ronan-Lenor/patch-1

repair public access encode/decode

ZipClass autoloading fix

Merge pull request #42 from electromuis/master

Autoloading fix

Sync with nao-pon's repo

Merge pull request #41 from helios-ag/archive-fix

partially synced with nao-pons repo