UpgradeableHoppers - Fast Hopper 4.19.5

- Fixed: Minor issues with commands

The command framework has been refactored.

1. All admin (!) commands have been moved to /uhoppers admin
2. The tab completion has been improved and consistency across all commands is ensured.
3. The permissions for /uhoppers admin <subcmd> subcommands have changed.
4. Example: /uhoppers admin player <player> delete Permission: uhoppers .admin.command.player.delete
5. It follows the same format for each sub command of /uhoppers admin. No further explanation needed.

+ Improved: Default GUI format, color scheme
- Fixed: [#1773] give.dropped missing {items} placeholder not parsing

- Fixed: Instabreak flag detection for PlotSquared (again)

- Fixed: Instabreak flag detection for PlotSquared

+ Added: [Suggestion] You can now set the max link distance to unlimited by using -1 in a level

- Fixed: PlotSquared integration not registering so
    hoppers could suck items from other players plots

- Fixed: [#1673] Items getting deleted at suction if transfer was successful for a part of the overall amount
- Fixed: Wrong item amount at upper container to hopper

- Fixed: [#1624] eco-format not applying

+ Added: [Suggestion] Option to specify list of linkable containers
    # You can specify specific containers which should be linkable.
    # If you don't configure a list of containers here, it will allow all containers.
    # List of possible materials (please note that only containers are linkable): https://hub.spigotmc.org/javadocs/bukkit/org/bukkit/Material.html
    linktypes: 'ALL'

- Fixed: 3rd party item stacker: can't move more than 64 at once

+ Improved: Max add space calculation to save CPU time
- Fixed: Possible issue with 3rd party item stackers, if they removed the item
    but transfer failed

- Fixed: Issue with NBSP character in eco format with specific environments 

- Fixed: [#1611] Console message removed

+ Improved: Automatically integrate a supported and detected item stacker plugin, even if option is "default"
- Fixed: Hopper getting deleted on land untrust, but block stays and player received item
- Fixed: [#1591] Max item stack size in combination with 3rd party item stackers
- Fixed: [#1608] Error at updating block state in rare cases (redstone signal)