Changed some variable names and refined comments for S&R code.
Changed some variable names and refined comments for S&R code.

JoaoRodrigues/freesasa,mittinatten/freesasa,mittinatten/freesasa,mittinatten/freesasa,JoaoRodrigues/freesasa,mittinatten/freesasa,JoaoRodrigues/freesasa,JoaoRodrigues/freesasa