[twitter] improve page parsing
[twitter] improve page parsing

nojhan/weboob-devel,sputnick-dev/weboob,frankrousseau/weboob,frankrousseau/weboob,willprice/weboob,RouxRC/weboob,laurent-george/weboob,Konubinix/weboob,RouxRC/weboob,Konubinix/weboob,sputnick-dev/weboob,willprice/weboob,nojhan/weboob-devel,laurent-george/weboob,laurent-george/weboob,frankrousseau/weboob,Konubinix/weboob,sputnick-dev/weboob,RouxRC/weboob,nojhan/weboob-devel,willprice/weboob