Added "RowLock" mod-option and parsing method.
Add method for drawing the "locked" indicator on the item slots
clean up usings
Added functioning slot-locking. Broke consolidate stacks somehow.
cleaned out old comments, dead code
Locked slots now saved with character. Chest-sort-clean-stacks bug fixed.
Add Readme
Changed lock icon
added mod-options to enable locking, sort-to-end of container
Added reverse-sort command, other changes.

Fixed crash on chest-sort.

Hopefully stabilized sort for stacks of matching items, different rarities.
Merge pull request #1 from Kf4btg/slot-lock

Slot lock