Merge pull request #12 from wingyplus/mongo-go-driver-1.3.0

Bump mongo-driver to v1.3.0 and go mod tidy

Author: odeke-em

go.mod

@@ -5,25 +5,13 @@ go 1.12
 require (
 	contrib.go.opencensus.io/exporter/stackdriver v0.12.4
 	github.com/aws/aws-sdk-go v1.21.9 // indirect
-	github.com/go-stack/stack v1.8.0 // indirect
-	github.com/golang/snappy v0.0.1 // indirect
-	github.com/google/pprof v0.0.0-20190723021845-34ac40c74b70 // indirect
 	github.com/hashicorp/golang-lru v0.5.3 // indirect
-	github.com/kr/pty v1.1.8 // indirect
-	github.com/stretchr/objx v0.2.0 // indirect
-	github.com/tidwall/pretty v1.0.0 // indirect
-	github.com/xdg/scram v0.0.0-20180814205039-7eeb5667e42c // indirect
 	github.com/xdg/stringprep v1.0.0 // indirect
-	go.mongodb.org/mongo-driver v1.0.4
+	go.mongodb.org/mongo-driver v1.3.0
 	go.opencensus.io v0.22.0
 	golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4 // indirect
-	golang.org/x/exp v0.0.0-20190731235908-ec7cb31e5a56 // indirect
-	golang.org/x/image v0.0.0-20190802002840-cff245a6509b // indirect
-	golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028 // indirect
 	golang.org/x/net v0.0.0-20190724013045-ca1201d0de80 // indirect
 	golang.org/x/sys v0.0.0-20190804053845-51ab0e2deafa // indirect
-	golang.org/x/tools v0.0.0-20190802220118-1d1727260058 // indirect
 	google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64 // indirect
 	google.golang.org/grpc v1.22.1 // indirect
-	honnef.co/go/tools v0.0.1-2019.2.2 // indirect
 )