wrap(text, width=78, indent=0)
Makes sure that we keep a line length of a certain width.
Examples:
>>> print wrap('foo bar')[:-2] foo bar >>> print wrap('foo bar', indent=2)[:-2] foo bar >>> print wrap('foo bar, more foo bar', 10)[:-2] foo bar, more foo bar >>> print wrap('foo bar, more foo bar', 10, 2)[:-2] foo bar, more foo bar