Changelog:
84ee0b1 Bump core version
e18d7ad Add missing method comment
c6569e6 Update SPN to v0.6.9
3cc12a3 Increase timeout of self-check
a5a5a15 Improve updating allowed features on connection
daa33c1 Improve network history setting
07f4253 Improve logging and make linter happy
f0ebc6e Update BytesReceived/Sent field names
e70fd9a Reduce noisy logging
49adef2 Update links in README
5dcb6b2 Persist bandwidth data in netquery DBs when enabled
b7fd1fc Update config annotation
dbffa88 Update netquery to support history module
cf2b8f2 Make history module optional
135b68c Better utilize database indexes for UNION selects
e9e9b54 Research on possible history module implementation using sqlite ATTACH DATABASE