Add fake_response method to work with html/xml via grab without network request
Add fake_response method to work with html/xml via grab without network request

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