refactoring for multi-threading
refactoring for multi-threading

mateidavid/nanopolish,simpsonlab/nanopolish,mateidavid/nanopolish,simpsonlab/nanopolish,simpsonlab/nanopolish,jts/nanopolish,mateidavid/nanopolish,mateidavid/nanopolish,jts/nanopolish,jts/nanopolish,jts/nanopolish,rmp/nanopolish,simpsonlab/nanopolish,rmp/nanopolish,rmp/nanopolish,rmp/nanopolish,jts/nanopolish,mateidavid/nanopolish