SM:fixed bug in toolkit when parsing xhelm with single monomer
containing inline smiles
support inline smiles in helm notation in editor
SM: Fixed bug XHELM-14
SM: added missing store parameters
SM: new xhelm testcase with quattrotein (not in internal database)
-Moved writeHelm function to exporter class
-Fix for bug xhelm-30 and xhelm-31
SM: helm notation with chem inline smiles can be parsed with and without
brackets (xhelm-35)