Adding --verbose  options and better logging to prune_lm_dir.py
Adding --verbose  options and better logging to prune_lm_dir.py

wantee/pocolm,chris920820/pocolm,wantee/pocolm,keli78/pocolm,keli78/pocolm,wantee/pocolm,chris920820/pocolm,chris920820/pocolm,keli78/pocolm,keli78/pocolm,wantee/pocolm,chris920820/pocolm