Improve clean_html in lxml_tools
Improve clean_html in lxml_tools

alihalabyah/grab,lorien/grab,raybuhr/grab,giserh/grab,subeax/grab,codevlabs/grab,SpaceAppsXploration/grab,kevinlondon/grab,raybuhr/grab,shaunstanislaus/grab,istinspring/grab,maurobaraldi/grab,DDShadoww/grab,giserh/grab,subeax/grab,kevinlondon/grab,pombredanne/grab-1,shaunstanislaus/grab,lorien/grab,SpaceAppsXploration/grab,maurobaraldi/grab,liorvh/grab,DDShadoww/grab,huiyi1990/grab,istinspring/grab,liorvh/grab,pombredanne/grab-1,codevlabs/grab,huiyi1990/grab,subeax/grab,alihalabyah/grab