Fixed MailHandler with unicode messages for Python 2.4 and 2.5
Fixed MailHandler with unicode messages for Python 2.4 and 2.5

fayazkhan/logbook,mitsuhiko/logbook,DasIch/logbook,DasIch/logbook,DasIch/logbook,FintanH/logbook,Rafiot/logbook,omergertel/logbook,fayazkhan/logbook,Rafiot/logbook,dommert/logbook,alonho/logbook,omergertel/logbook,RazerM/logbook,omergertel/logbook,alonho/logbook,Rafiot/logbook,pombredanne/logbook,alonho/logbook