remove chmod from library (#27)

* remove chmod from library

* go mod update

add 7z volumes (#22)

* add 7z volumes

* Do not recurse into ISO files by default.

RAR Password use ordering + new 7z library. (#13)

* use single password first

* only append single pass if it is not empty

* pass the passwords all the way through the queue

* Use different 7z library

* add 7z password support

* Fix bugs

* add file names to errors

* fix more bugs.

* remove unneeded

lint fixes again

Remove suffix from extraction folders. (#11)

* rename temp folder

* add rar test

Add support for multiple RAR passwords. (#9)

* Fix match for files with partNN in name.

* fix comments

* Add passwords supports

* update license

* fix ordering

* better errors

* move the logic up one level

Fixes lint, adds ability to turn off log file. (#8)

* Fix match for files with partNN in name.

* fix comments

* Fix lint and add log ignore

Fix match for files with partNN in name. (#7)

* Fix match for files with partNN in name.
* fix comments

Add 7z support (#6)

* Add 7z support
* add exmaple app

Merge pull request #5 from golift/dn2_reorder

Reorder logic