add in.txt and modify the source code to make the command by the teacher.
add the files that was fogotten added just now:

added:
  labelset.py
  readme.txt
remove unneeded code.

modified:
  labelset.py
add windows version 'labelset-windows.py'
add windows version
correct in.txt
Merge branch 'master' of https://github.com/Yoxem/labelset.py
(orig from http://tcirc.twbbs.org/~yoxem/script/labelset/)