pyosys: support ObjRange

* this adds support for cells(), modules() and wires() that all return
  ObjRanges, converting them into lists for python

misc/py_wrap_generator.py

@@ -375,6 +375,10 @@ class PoolTranslator(PythonListTranslator):
 	insert_name = ".insert"
 	orig_name = "pool"
 
+#Sub-type for ObjRange
+class ObjRangeTranslator(PythonListTranslator):
+	orig_name = "RTLIL::ObjRange"
+
 #Translates dict-types (dict, std::map), that only differ in their name and
 #the name of the insertion function
 class PythonDictTranslator(Translator):
@@ -536,13 +540,14 @@ def translate_cpp(c, varname, types, prefix, ref):
 
 #Associate the Translators with their c++ type
 known_containers = {
-	"std::set"		:	SetTranslator,
-	"std::vector"	:	VectorTranslator,
-	"pool"			:	PoolTranslator,
-	"idict"			:	IDictTranslator,
-	"dict"			:	DictTranslator,
-	"std::pair"		:	TupleTranslator,
-	"std::map"		:	MapTranslator
+	"std::set"       :  SetTranslator,
+	"std::vector"    :  VectorTranslator,
+	"pool"           :  PoolTranslator,
+	"idict"          :  IDictTranslator,
+	"dict"           :  DictTranslator,
+	"std::pair"      :  TupleTranslator,
+	"std::map"       :  MapTranslator,
+	"RTLIL::ObjRange": ObjRangeTranslator
 }
 
 class Attribute: