added a path variable for the home_dir in tools.py
added a path variable for the home_dir in tools.py

added a path variable which is set to the home_dir in tools.py so that
when the home_dir is displayed in the terminal, it is more standardized
across systems.

goelakash/retriever,henrykironde/deletedret,goelakash/retriever,henrykironde/deletedret