          filetypes = "default" if not filetypes else filetypes
          if action == cli.FileFullPaths:
              sysbrowser = ["load"]
          elif action == cli.SaveFileFullPaths:
              sysbrowser = ["save"]
          elif action == cli.DirOrFileFullPaths:
              sysbrowser = ["folder", "load"]
          elif action == cli.ContextFullPaths and action_option:
              sysbrowser = ["context"]
 
</s> remove                     optval = optval.split(" ")
 </s> add                     if "\"" in optval:
                        optval = [arg[1:-1] for arg in re.findall(r"\".+?\"", optval)]
                    else:
                        optval = optval.split(" ") </s> remove         super(FileFullPaths, self).__init__(option_strings, dest, **kwargs)
        if nargs is not None:
            raise ValueError("nargs not allowed")
 </s> add         super().__init__(option_strings, dest, nargs, **kwargs) </s> remove         self.alignments = AlignmentData(self.args.alignments_file, dest_format)
 </s> add         if len(self.args.alignments_file) == 1:
            retval = AlignmentData(self.args.alignments_file[0], dest_format)
        else:
            retval = [AlignmentData(a_file, dest_format) for a_file in self.args.alignments_file]
        logger.debug("Alignments: %s", retval)
        return retval
        elif action == cli.FilesFullPaths:
            sysbrowser = ["load_multi"]
          filetypes = "default" if not filetypes else filetypes
          if action == cli.FileFullPaths:
              sysbrowser = ["load"]
        elif action == cli.FilesFullPaths:
            sysbrowser = ["load_multi"]
          elif action == cli.SaveFileFullPaths:
              sysbrowser = ["save"]
          elif action == cli.DirOrFileFullPaths:
              sysbrowser = ["folder", "load"]
          elif action == cli.ContextFullPaths and action_option:
              sysbrowser = ["context"]
keep keep add keep keep keep keep keep keep
 Alignments Tool: Allow merging of many alignments file

Adds multi select functionality to GUI, meaning multiple alignments files can now be selected for merging.

Extract: nFilter, Filter now have a file dialog in gui for selecting 1/multiple files 
lib/gui/options.py