Fix lib/pg Pgsql database link

de/05.4.md

@@ -6,7 +6,7 @@ PostgreSQL is an object-relational database management system available for many
 
 There are many database drivers available for PostgreSQL. Here are three examples of them:
 
-- [https://github.com/bmizerany/pq](https://github.com/lib/pq) supports `database/sql`, written in pure Go.
+- [https://github.com/lib/pq](https://github.com/lib/pq) supports `database/sql`, written in pure Go.
 - [https://github.com/jbarham/gopgsqldriver](https://github.com/jbarham/gopgsqldriver) supports `database/sql`, written in pure Go.
 - [https://github.com/lxn/go-pgsql](https://github.com/lxn/go-pgsql) supports `database/sql`, written in pure Go.
 

de/05.5.md

@@ -11,7 +11,7 @@ Because beedb supports `database/sql` interface standards, any driver that imple
 
 Mysql: [github/go-mysql-driver/mysql](https://github.com/go-sql-driver/mysql)
 
-PostgreSQL: [github.com/bmizerany/pq](https://github.com/lib/pq)
+PostgreSQL: [github.com/lib/pq](https://github.com/lib/pq)
 
 SQLite: [github.com/mattn/go-sqlite3](https://github.com/mattn/go-sqlite3)
 

de/code/src/apps/ch.5.4/main.go

@@ -5,8 +5,9 @@ package main
 import (
 	"database/sql"
 	"fmt"
-	_ "github.com/bmizerany/pq"
 	"time"
+
+	_ "github.com/lib/pq"
 )
 
 const (