+ extended Lookup object to support negative strand
drwxr-xr-x - ParaParser
drwxr-xr-x - cparser
drwxr-xr-x - dyn_prog
drwxr-xr-x - qpalma
drwxr-xr-x - scripts
drwxr-xr-x - standalone
drwxr-xr-x - tools