updated the labels method to refer to negative orders as "S"; revised the set_labels method to take action in more suitable cases; finished developing the component_split wrapper method; minor revision of the plot method, mainly regarding the structure of the output and the plot title
updated the labels method to refer to negative orders as "S"; revised the set_labels method to take action in more suitable cases; finished developing the component_split wrapper method; minor revision of the plot method, mainly regarding the structure of the output and the plot title

jgte/orb,jgte/orb,jgte/orb,jgte/orb,jgte/orb