move smarts and smirks to src/
Update HeMol::m_adjList when removing a bond.
Bugfix for smiley
include string header in element.h
Add debug info to smirks.h
Inform DFS callback when starting new component.
Bugfix for HeMol::removeBond() + SMILES writing
Add SMIRKS example
Update subgraph enumeration example
Changes to moleucle.h resulting from adding openbabel MoleculeConcept
model
Some improvements to SMILES writing
Fix issue when EditableMoleculeType is not HeMol
Uase const references to MoleculeType everywhere
Add OpenBabel as alternate model of the MoleculeConcept
Doc update