Added to CMLCoreModule capability to read atomParity elements. Corrected
spelling error. Formatting changes.

Signed-off-by: John May <john.wilkinsonmay@gmail.com>
R groups no longer get the symbol "H". Hydrogens now get their hydrogen
counts set (needed for SMILES output). Tidied code. Formatting changes.

Signed-off-by: John May <john.wilkinsonmay@gmail.com>
Added unit test for reading of atomParity elements.

Signed-off-by: John May <john.wilkinsonmay@gmail.com>
Removed code that added hydrogen counts to hydrogens, as these are
supposed to be present in CML, and should not be inferred.

Signed-off-by: John May <john.wilkinsonmay@gmail.com>
Include Andy H in authors/contributor info.