fix parsing of transaction amounts (strip nbsp)
fix parsing of transaction amounts (strip nbsp)

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