Merge branch 'master' into v3-experimental

* master:
  Tweak replication test setup
  Properly make it a func init()
  The naming really matters
  Fix the syntax
  Properly make the replication tests skippable on 9.5 and below
  I forgot the tests are 9.6+
  One more try for travis
  Valid YAML helps.
  Dont break old postgres
  Try to fix travis
  Add the ability to set all the fields in the constructor
  Start replication now wraps the sql and returns errors properly
  It should all be unsigned.
  Capitalization
  Add replication stop mechanism
  Add basic logical replication protocol support

stdlib/sql_test.go

@@ -30,7 +30,7 @@ func ensureConnValid(t *testing.T, db *sql.DB) {
 
 	rows, err := db.Query("select generate_series(1,$1)", 10)
 	if err != nil {
-		t.Fatalf("db.Query failed: ", err)
+		t.Fatalf("db.Query failed: %v", err)
 	}
 	defer rows.Close()
 
@@ -42,7 +42,7 @@ func ensureConnValid(t *testing.T, db *sql.DB) {
 	}
 
 	if rows.Err() != nil {
-		t.Fatalf("db.Query failed: ", err)
+		t.Fatalf("db.Query failed: %v", err)
 	}
 
 	if rowCount != 10 {