add changelog 3.8 (regnat)
add changelog 3.8 (regnat)

guiniol/py3status,Andrwe/py3status,ultrabug/py3status,guiniol/py3status,ultrabug/py3status,valdur55/py3status,tobes/py3status,valdur55/py3status,ultrabug/py3status,Andrwe/py3status,tobes/py3status,valdur55/py3status