Made some section names to be stringless. Changed some 'Section' to 'section'.
Made some section names to be stringless. Changed some 'Section' to 'section'.

JacquesCarette/literate-scientific-software,JacquesCarette/literate-scientific-software,JacquesCarette/literate-scientific-software,JacquesCarette/literate-scientific-software,JacquesCarette/literate-scientific-software,JacquesCarette/literate-scientific-software,JacquesCarette/literate-scientific-software