* add a SmilesParserParams object to prepare for this
* add a SmilesParserParams object to prepare for this
* add tests for the SmilesParseParmas
* support name parsing, should it be the default?
* rename CXNSmiles to CXSmiles;
add a spirit parser for CXSmiles coordinate that is at least syntax correct
* abandon boost::spirit for now; crude atom token parser
* support params in smiles parser (not tested, may not build)
* can read coords and atom labels along with mol names; crude, but works
* read coordinate bonds
* remove some compiler warnings with VS2015
* remove a bunch of compiler warnings on windows
* remove more warnings on windows
* remove more warnings on windows
* backup commit: first pass at parsing query features
* radical spec parsing
* handle attachment points using atom mapping
* switch to a named property for atom labels
* fix handling of the "A" atom query
* add functions to construct A and Q queries (needs more work)
* fix a problem created while cleaning up warnings earlier
* add some additional convenience functions for making generic atoms.
Still need M and to recognize these while writing CXSMILES
* add M queries; update some tests
* fix a linux compile problem
* get the cxsmiles stuff working in python; basic testing
* support "M" in CXSMILES
