adding __repr__ back to Command object

pbs.py

@@ -211,10 +211,12 @@ def create(cls, program, raise_exc=True):
     def __init__(self, path):            
         self.path = path
 
-
     def __str__(self):
         if IS_PY3: return self.__unicode__()
         else: return unicode(self).encode("utf-8")
+
+    def __repr__(self):
+        return str(self)
 
     def __unicode__(self):
         return self.path