'Returns the usage message.  Make sure it is newline terminated'

def usage(self):

    msg = "\nUsage:    program    [OPTIONS]    FILENAME    [SQL|CMD]    [SQL|CMD]...\nFILENAME    is    the    name    of    a    SQLite    database.    A    new    database    is\ncreated    if    the    file    does    not    exist.\nOPTIONS    include:\n            -init    filename                            read/process    named    file\n            -echo                                                                print    commands    before    execution\n            -[no]header                                        turn    headers    on    or    off\n            -bail                                                                stop    after    hitting    an    error\n            -interactive                                    force    interactive    I/O\n            -batch                                                            force    batch    I/O\n            -column                                                        set    output    mode    to    'column'\n            -csv                                                                    set    output    mode    to    'csv'\n            -html                                                                set    output    mode    to    'html'\n            -line                                                                set    output    mode    to    'line'\n            -list                                                                set    output    mode    to    'list'\n            -python                                                        set    output    mode    to    'python'\n            -separator    'x'                            set    output    field    separator    (|)\n            -nullvalue    'text'                set    text    string    for    NULL    values\n            -version                                                    show    SQLite    version\n            -encoding    'name'                    the    encoding    to    use    for    files\n                                                                                                opened    via    .import,    .read    &    .output\n            -nocolour                                                disables    colour    output    to    screen\n"
    return msg.lstrip()
