fix for special caracters in .mobi filenames
fix for special caracters in .mobi filenames

milanaleksic/wallabag,harikt/wallabag,harikt/wallabag,mubassirhayat/wallabag,wangjun/wallabag,modos189/wallabag,milanaleksic/wallabag,mubassirhayat/wallabag,freddyb/wallabag,kwangkim/wallabag,freddyb/wallabag,harikt/wallabag,wangjun/wallabag,modos189/wallabag,freddyb/wallabag,modos189/wallabag,ekospinach/wallabag,ekospinach/wallabag,mubassirhayat/wallabag,milanaleksic/wallabag,wangjun/wallabag,antoniosejas/wallabag,kwangkim/wallabag,kwangkim/wallabag,ekospinach/wallabag,antoniosejas/wallabag,antoniosejas/wallabag