Merge branch 'simpler-sql' into 'master'

go.mod

go.sum

migrations/1_initialize_schema.down.sql

migrations/1_initialize_schema.up.sql

migrations/2_lastlogin.down.sql

migrations/2_lastlogin.up.sql

migrations/3_userlog_device_nullable.up.sql

migrations/bindata.go

server/analysis.go

server/lastlogin.go

server/sql.go

server/userlog.go

vendor/git.autistici.org/ai3/go-common/go.mod

vendor/git.autistici.org/ai3/go-common/go.sum

vendor/git.autistici.org/ai3/go-common/sqlutil/db.go

.../git.autistici.org/ai3/go-common/sqlutil/query_builder.go

vendor/github.com/golang-migrate/migrate/v4/.dockerignore

vendor/github.com/golang-migrate/migrate/v4/.gitignore

vendor/github.com/golang-migrate/migrate/v4/.golangci.yml

vendor/github.com/golang-migrate/migrate/v4/.goreleaser.yml