Added function of calculating lenght of ID trajectory. Optimized programming throughtout the code, replace print statments, changed graphics. Now need to save calculated data to yaml format to compare  tests with Analytic formulas
Added function of calculating lenght of ID trajectory. Optimized programming throughtout the code, replace print statments, changed graphics. Now need to save calculated data to yaml format to compare  tests with Analytic formulas

radiasoft/radtrack,radiasoft/radtrack