Speed up and improve extraction of articles
Revert "Speed up and improve extraction of articles"

This reverts commit ac430b4fe60d69655600356e7b59aed0cd672dc8.
Merge branch 'master' of https://github.com/probonopd/web2epub
Revert "Speed up and improve extraction of articles"

This reverts commit ac430b4fe60d69655600356e7b59aed0cd672dc8.