More tools

[SIsilicon]

This will track what tools left to implement.

• [x] repl: Replaces an interacted block with another block
• [ ] deltree: Deletes trees
• [ ] lrbuild: Allows placing and breaking blocks from a long range
• [ ] floodfill: The fill command, but with a tool
• [x] cycler: Cycles through a block's block states
• [ ] info: Gives info about a block. Basically the pattern picker, but a little more detailed, and without the picker part