More/improved docstrings for spreads.config
More/improved docstrings for spreads.config

nafraf/spreads,nafraf/spreads,adongy/spreads,adongy/spreads,gareth8118/spreads,miloh/spreads,miloh/spreads,gareth8118/spreads,DIYBookScanner/spreads,nafraf/spreads,gareth8118/spreads,miloh/spreads,DIYBookScanner/spreads,adongy/spreads,DIYBookScanner/spreads