code refactored, general documentation added, lxml added to requireme…

[NikolaJankovic]

…nts file

The code can be further refactored to have the private functions called outside of their "parents", meaning they would only have to be called once.

[anshumanv]

I'm not able to run it for some reason, are you sure raw_input works in python 3.6 and windows ?

[abhish311]

raw_input() only works on python2.7. For python 3 onwards it is just input ().

[anshumanv]

@abhish311 I'll merge this one since it has nice function organisation and comments, this will generate merge conflicts in your PR, so fix them alright ? Then we can easily merge your PR

[Yureien]

Hey, I have made a PR for Python 3-ification. @anshumanv

[anshumanv]

@FadedCoder merged