Make the code compile also in g++ 4.7 where read/write are not
-rw-r--r-- 61 .gitignore
-rw-r--r-- 919 Makefile
-rw-r--r-- 4786 bit-vector.cpp
-rw-r--r-- 3914 bit-vector.hpp
-rw-r--r-- 3687 xml-tree-builder.cpp
-rw-r--r-- 1033 xml-tree-builder.hpp
-rw-r--r-- 7391 xml-tree-inc.hpp
-rw-r--r-- 16911 xml-tree.cpp
-rw-r--r-- 5067 xml-tree.hpp