implemented loading bar with tqdm 
implemented loading bar with tqdm 

code adapted from http://stackoverflow.com/questions/37804279/how-can-we-use-tqdm-in-a-parallel-execution-with-joblib
gf712/AbPyTools,gf712/AbPyTools,gf712/AbPyTools,gf712/AbPyTools,gf712/AbPyTools