Fixed LoadSDF to keep 3D info, renamed _MolPlusFingerprintFromSmiles to _MolPlusFingerprint and modified it to accept mol object, fixed AddMoleculeColumnToFrame to use new _MolPlusFingerprint
Merge pull request #7 from samoturk/improved_LoadSDF

Fixed LoadSDF to keep 3D info, renamed _MolPlusFingerprintFromSmiles to ...