Python shebang and chmod +x
Merge commit '12860c2dd8558730b9f734d8c363ce0bb046fa44'
pass instead of True.
Fixed None comparison.
removed unused import
Use socket timeout instead of SIGALRM.

SIGALRM is specific to Unix.

Based on ca77ef by Andre Miras.

Conflicts:
	digidiscover.py
Add Andre Miras to contributors.