Add xrange() and fix second() for Python3.

bin/autojump_utils.py

@@ -172,8 +172,12 @@ def sanitize(directories):
 def second(xs):
     it = iter(xs)
     try:
-        it.next()
-        return it.next()
+        if is_python2():
+            it.next()
+            return it.next()
+        elif is_python3():
+            next(it)
+            return next(it)
     except StopIteration:
         return None
 

tests/autojump_utils_test.py

@@ -24,6 +24,7 @@ from autojump_utils import unico
 
 if is_python3():
     os.getcwdu = os.getcwd
+    xrange = range
 
 
 def u(string):