changes table_inner_html in delegate,output in html2latex
changed table_inner_html in delegate,output in html2latex
added documentation
Merge branch 'master' of https://github.com/abhyudaypratap/html2latex
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.
added module for handling images.

method for getting image size
method for converting html table to image file.