Handle comment on inventory group line.

test/TestInventory.py

@@ -300,6 +300,10 @@ class TestInventory(unittest.TestCase):
         expected_hosts=['1.host','2.host','A.host','B.host']
         assert sorted(hosts) == sorted(expected_hosts)
 
+        hosts2 = i.list_hosts('test2')
+        expected_hosts2=['1.host','2.host','3.host']
+        assert sorted(hosts2) == sorted(expected_hosts2)
+
     ###################################################
     ### Inventory API tests
 

test/inventory/test_leading_range

@@ -1,3 +1,6 @@
 [test]
 [1:2].host
 [A:B].host
+
+[test2] # comment
+[1:3].host