Expression parser: eliminate TOK_QUESTION since it was really handled by TOK_OP, use bitflags more efficiently in token type enum.
Expression parser: eliminate TOK_QUESTION since it was really handled by TOK_OP, use bitflags more efficiently in token type enum.

radarsat1/libmapper,radarsat1/libmapper,malloch/libmapper,radarsat1/libmapper,malloch/libmapper,johnty/libmapper,libmapper/libmapper,radarsat1/libmapper,malloch/libmapper,malloch/libmapper,johnty/libmapper,libmapper/libmapper,libmapper/libmapper,johnty/libmapper,johnty/libmapper,johnty/libmapper,libmapper/libmapper,libmapper/libmapper,radarsat1/libmapper,malloch/libmapper,libmapper/libmapper,malloch/libmapper