'Initializes the waffle namespace instance.
Arguments:
name (String): Namespace string appended to start of all waffle
flags and switches (e.g. "grades")
log_prefix (String): Optional string to be appended to log messages
(e.g. "Grades: "). Defaults to \'\'.'

def __init__(self, name, log_prefix=None):

    assert name, 'The    name    is    required.'
    self.name = name
    self.log_prefix = (log_prefix if log_prefix else '')
