save a working snapshot, prior to cleanup

Author: briantoby

GSASII/GSASIIobj.py

@@ -1433,6 +1433,8 @@ def ReInitialize(self):
         self.instdict = {} # place items here that will be transferred to the instrument parameters
         self.pwdparms = {} # place parameters that are transferred directly to the tree
                            # here (typically from an existing GPX file)
+        self.selections = []
+        self.dnames = []
 ######################################################################
 class ImportSmallAngleData(ImportBaseclass):
     '''Defines a base class for the reading of files with small angle data.