Bond query information not written to CTAB

[greglandrum]

The info is parsed, but not written:

In [4]: m = Chem.MolFromMolBlock("""
  Mrv0541 05221412192D          

  2  1  0  0  0  0            999 V2000
   -1.9152    1.5911    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.2007    2.0036    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  5  0  0  0  0
M  END
""")

In [5]: print Chem.MolToMolBlock(m)

     RDKit          2D

  2  1  0  0  0  0  0  0  0  0999 V2000
   -1.9152    1.5911    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.2007    2.0036    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  0  0
M  END


In [6]: print Chem.MolToSmarts(m)
[#6]-,=[#6]