Pg to bun (#148)

* start moving to bun

* changing more stuff

* more

* and yet more

* tests passing

* seems stable now

* more big changes

* small fix

* little fixes

vendor/github.com/jackc/pgx/v4/messages.go

@@ -0,0 +1,23 @@
+package pgx
+
+import (
+	"database/sql/driver"
+
+	"github.com/jackc/pgtype"
+)
+
+func convertDriverValuers(args []interface{}) ([]interface{}, error) {
+	for i, arg := range args {
+		switch arg := arg.(type) {
+		case pgtype.BinaryEncoder:
+		case pgtype.TextEncoder:
+		case driver.Valuer:
+			v, err := callValuerValue(arg)
+			if err != nil {
+				return nil, err
+			}
+			args[i] = v
+		}
+	}
+	return args, nil
+}