Python StrongHelp reader

    This repository contains a reader for the RISC OS StrongHelp manual image format.
    
    The Python module is able to be used to parse the format and return the files
    which are present. The module can also be used as a command line tool to
    extract the files to a unix file system.
    
    
    ## Installation
    
    The tool for extracting StrongHelp files can be installed manually
    using this repository or through PyPI. To install, use:
    
        pip3 install riscos_stronghelp
    
    
    ## Command line
    
    At the command line the extraction tool may be used with the
    supplied shell command:
    
        riscos-shextract [--extract-dir <directory>] <stronghelp-file>
    
    Or to list files:
    
        riscos-shextract --list <stronghelp-file>