add 'replace' xpath function
add 'replace' xpath function

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