i   add namepace tf {}
	modified:   tf/countable.hpp
	modified:   tf/generator.hpp

 Changes not staged for commit:
   (use "git add/rm <file>..." to update what will be committed)
   (use "git checkout -- <file>..." to discard changes in working directory)

	deleted:    tf/main.cpp.autosave
	deleted:    tf/node.hpp.autosave
	deleted:    tf/splaytree.hpp.autosave