Agent closed when 'pause' pressed

[smellai]

new agent 1.1.80

[gvarisco]

I can reproduce it on macOS Mojave 10.14.1 as well. Is it due to 282ae8d ?

[gvarisco]

It can also be reproduced in Ubuntu 16.04, so not macOS specific. Probably a systray bug?

[gvarisco]

Fixed in #272 (v. 1.1.81)