protected static CowFace getByMode(final String mode) {
		if (mode != null) {
			return COW_MODES.get(mode);
		}
		return null;
	}
protected static CowFace getByMode(final String mode) {
		if (mode != null) {
			return COW_MODES.get(mode);
		}
		return null;
	}
protected static CowFace getByMode ( final String mode ) { if ( mode != null ) { return COW_MODES . get ( mode ) ; } return null ; }
Get cow args by mode.
@param mode A mode key, "b" for Borg, "d" for dead, "g" for greedy etc
@return The CowArgs for the given mode or null if not found
Get cow args by mode .