Version 7.1.8

Plugin changes

isup: ensure compatibility with newer requests versions [#2235]
reddit: handle image preview links [#2245]
search: per tests of both back-ends, warn more consistently about multiple site: operators [#2254]
translate: fix accepting language hints for Chinese [#2242]
url:
- bump user-agent [#2218]
- tweak logging levels to better reflect severity [#2249]
wikipedia: refine handling of sections with “hatnote” templates [#2225]
xkcd: improve reliability of comic search [#2247]

Formatting tweaks in IRC logging output [#2250]
Requirement tweaks to make sure installing on Python 3.4 still works (but if you’re still using that, please update your Python)