[1.31]
[Fix] Little optimization performance for sell system using command /SellAll

What is new in QuickSell v1.3
Now supports are multiple shops sell with permissions system.
You can create shops in Configuration or create ingame system.
/QuickSell createShop <name> <required permission>
Then, you can set prices of items for specific shop.
/QuickSell setItem <Shop> <Double>
NOTICE! Setted item = item in your hand
Didn't like the installed blocks? Delete them!
/QuickSell removeItem <Shop>
NOTICE! Removed item = item in your hand
You want erasing shop?
/QuickSell removeShop <Shop>

Multiple shops currently supported only using command /SellAll <Shop>, if wroted /SellAll using default shop from Shop's conifguration.

[1.12] Added command /QuickSell <version/ver> for check current version of QuickSell.
Automaticly check updates after Skript load or command /QuickSell checkUpdates, and have the message if he is disabled.

[1.11] Fixed bug with sell items with command /SellAll and /Sell.

QuickSell has been succesfully goal Stable!
QuickSell has been upgraded to new Stable version 1.1.
In new version you have new entries in Configuration files, /Sell command and her disable, and finally, fixed bugs with math a items prices.

[1.03] Values from newest version of QuickSell now set automaticly.
If your shop does not configurated, players do not can sell blocks.

[1.03] Added check of shop's configuration to /sellall

[1.02] Fixed integer value of latest version in string.

[1.01] Added support for sounds after selling blocks.
Notice! Sounds are support format only: <sound>, <pitch>
Added check for executing sell blocks for console.