Issues with smtp and str decode

[zbyna]

Hi, thanks for great addon:

1. SMTP issue:

03:09:17 T:3412   ERROR:   File "E:\Program Files (x86)\Kodi\system\python\Lib\smtplib.py", line 724, in sendmail
03:09:17 T:3412   ERROR:     raise SMTPSenderRefused(code, resp, from_addr)
03:09:17 T:3412   ERROR: SMTPSenderRefused: (553, '5.1.2 The sender address <Buggalo> is not a valid RFC-5321 address. n1si5265611wju.284 - gsmtp', 'Buggalo')

2. String decoding:

File "C:\Users\decak\AppData\Roaming\Kodi\addons\script.module.buggalo\lib\buggalo_client.py", line 152, in emailData
03:13:51 T:984   ERROR:     body += '<tr><td>%s</td>' % key
03:13:51 T:984   ERROR: UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 356: ordinal not in range(128)

Patch: https://github.com/twinther/script.module.buggalo/pull/5