This is a lightweight addon.
Blocky is a combination of small but important features that make life in WoW Classic a little easier. 
List of things this addon does:
-->Reload Faster: In-game type /rl
-->Allows the use of left and right arrows in the edit box
without rotating your character
-->Sets Auto Loot to Default on New Characters
-->Fastest Looting Possible
-->Makes the raid frames even more resizable
If you want Fastest Looting only, you can click Fastest Loot