Removed stupid red color, fixed a bug where the index was being changed.
Dont commit weird 'idea' folder
Add docstring, removed useless comments
Added docstring, renamed variables and changed class definition for pylint.
pep8 style changes: variale names and newline.
Docstring fixes + corrections to graphtonp method (unchecked)
Added checking for errors/exceptions when it comes to ROOT/XML files.
Added lots of dostrings and checking for file open failure.
Started working on plotengine.