Comic-scraper

Rewrote the base comic scraper such that it will be easier to write extractors to website without tweaking the main code.

Added https url suppport (speeds up download if behind proxy). Download as either cbz or pdf file formats. Default format set as pdf.

Class based rewrite, with added manga download feature and multithreading support. Added numpy to requirements and setup.py to fix pip error.

Class based rewrite, with added manga download feature and multithreading support.