Useful function to find temp project name from temporary file in /tmp/HasHfolDER/.geoplumber.dat If that is not available (user could already be in a geoplumber directory) then just returns current wd.

Useful function to find temp project name from temporary file in /tmp/HasHfolDER/.geoplumber.dat If that is not available (user could already be in a geoplumber directory) then just returns current wd.

change_to_proj_dir()