A Hex Casting addon/library that adds patterns for reading and writing iotas to/from blocks, and an API for addon developers to easily add iota reading/writing support to their blocks.
Built-in readable blocks
Akashic Record: Read the list of pattern keys in the library
Akashic Bookshelf: Read the pattern key assigned to that bookshelf
Slate: Read/write the pattern on the slate (note: writing is disabled while the slate is activated by a circle)
