Create raid.py

This file is intended to be the controller and the one who
gives instructions to the workers
Create worker.py

This file represents the worker, the one who makes the request
to a concrete url a shows up the result
Update counters so they start from 1
Create classes and PEP-8 compliance
Include Unit Tests
Add handy remarks
Include requirements.pip
Make worker.py vars' names more obvious
Add Travis support
Include README.md
Merge pull request #1 from javidgon/rd-add-main-set-of-features

Rd add main set of features