- Fit the assertresults function into the new structure of the package
 - Fix some bugs in validationtools
 - Add more comments

- Delete some .py files which are not needed for the set up of Mod_CI.
- Change the absolute path to relative path to avoid some mistakes on server.

- build an init file

-Clean the code for compare_modelica_neplan
-Add more comments

- Add Error calculation function to the asssertion function

-Add "_loadflow" suffix to read_in function
-Add some comments in the function