Merge pull request #231 from jonwright/master

secret spacegroup number hidden option

ImageD11/unitcell.py

@@ -277,7 +277,7 @@ def gethkls(self,dsmax):
         if dsmax == self.limit and self.peaks is not None:
             return self.peaks
         if isinstance(self.symmetry, int):
-            self.gethkls_xfab( dsmax, self.symmetry )
+            self.gethkls_xfab( dsmax, spg=None )
         h=k=0
         l=1 # skip 0,0,0
         hs=ks=ls=1