* Add hash, signature and object types. * Add serilaize/deserialize test for new types. * Document new types. * Use aeserialization for base58c encoding/decoding.
* Remove typespec from element op. * Remove unused code from pretty printer.
* Handle 5 to 8 args. Generate a test file with all instructions for asm/disasm. * Add ops to test 7 and 8 arguments.