v1.7.0

Adds an option to the print_heading to specify the color in which it should be printed.
It extends the library to use in INSTALL.sh or UPDATE.sh scripts.

def print_heading(icon, text, color="yellow"):
    """Helper function to print a heading.

    Parameters
    ----------
    icon : str
        Describe a name of a symbol from the symbol() function.
    text : str
        The text of the heading.
    color : str, optional
        The color of the heading.
    """