* Some fixes about new metrics system (may be incomplete)
* Some fixes about new metrics system (may be incomplete)

awhitesong/rspamd,minaevmike/rspamd,AlexeySa/rspamd,dark-al/rspamd,AlexeySa/rspamd,dark-al/rspamd,amohanta/rspamd,AlexeySa/rspamd,awhitesong/rspamd,awhitesong/rspamd,minaevmike/rspamd,andrejzverev/rspamd,AlexeySa/rspamd,dark-al/rspamd,minaevmike/rspamd,minaevmike/rspamd,andrejzverev/rspamd,andrejzverev/rspamd,minaevmike/rspamd,amohanta/rspamd,awhitesong/rspamd,andrejzverev/rspamd,andrejzverev/rspamd,AlexeySa/rspamd,andrejzverev/rspamd,AlexeySa/rspamd,amohanta/rspamd,minaevmike/rspamd,andrejzverev/rspamd,amohanta/rspamd,dark-al/rspamd,AlexeySa/rspamd,AlexeySa/rspamd,andrejzverev/rspamd,minaevmike/rspamd,amohanta/rspamd,minaevmike/rspamd,AlexeySa/rspamd,dark-al/rspamd,minaevmike/rspamd