break htmlelement class into different methods
break IMG class in different methods
fixed problems in the last commit.
Merge pull request #1 from acabhishek942/master

Making the code modular.
Merge pull request #2 from abhyudaypratap/master

documentation for classes and function, and improved code for delegate.
Added Python script to take screenshot of a webpage using PyQt
Trying to make `utils` module more modular.
Utils new modules created
renamed setupt_latex_text to setup_latex_text