implemented the extend_or_trim_end/start methods; finished developing the component_ampl, component_split_plot and component_split methods; implemented the component_split_fileroot method to wrap naming aux files from the component_split method
implemented the extend_or_trim_end/start methods; finished developing the component_ampl, component_split_plot and component_split methods; implemented the component_split_fileroot method to wrap naming aux files from the component_split method

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