v1.3.0

add two arguments

• "e" or "eternal": eternal on retry
• "x" or "802.1x": 802.1x support on GNU/Linux currently (thanks to @leetking)

fix some bugs

• typo on auth.c
• sleep change to usleep
• revert keepalive.c because there is no strange packets like that
• changes on some libs
• quick fix define on linux build