4byte build

usage:
    ctc 4byte build [DATATYPE]

description:
    build local copy of 4byte database
    
    scrapes from 4byte.directory

examples:
    # build function signature db
    ctc 4byte build functions

    # build event signature db
    ctc 4byte build events

arguments:
    DATATYPE    "functions" or "events", omit to build database of both