Binwalk installs and shows help output in python3; fixing dict.iteritems is next.

src/binwalk/compat.py

 # All Python 2/3 compatibility stuffs go here.
 
 from __future__ import print_function
+import sys
+import string
+
+if sys.version_info.major > 2:
+	import urllib.request as urllib2
+	string.letters = string.ascii_letters
+else:
+	import urllib2

src/binwalk/update.py

 import os
-import urllib2
 from binwalk.config import *
 from binwalk.compat import *
 

src/setup.py

@@ -133,6 +133,7 @@ setup(	name = "binwalk",
 	scripts = ["bin/binwalk"],
 )
 
+# THIS BREAKS WHEN INSTALLING WITH PYTHON3; PROPER PYTHON3 SUPPORT IS IN PROGRESS.
 # If python2 exists, replace the shebang to invoke python2.
 # This prevents python3 from being used when running binwalk.
 # This shouldn't be done on the ./bin/binwalk file, as that would