Config: Recover ConfigGlobal::$config after test
Test: Add test table user_group
Db: Better check for db configure or connect error
Db: Migrate class/dbbak2sql.php

To: Fwlib\Db\DbDataExport
Test: Check db connection before check db config

AbstractDbRelate::__construct() will call for N(= number of testMethod())
times because PHPUnit use Reflection on it, so as a base class, there
should make it run as fast as it can be.

This maybe a little faster, but consume a little more memory.
Need more benchmark.
Merge FwlibTest into Fwlib
Rename ClassLoaderTest to ClassLoaderExample

So it will not included by test runner on default.
Test: Check db in testcase when connect
Db: Check and new $dbe in setUp()

Need not call newObjDbe() at each testMethod() beginning.
Bridge: Rename Adodb::$charsetSys to $charsetOs

Also add setCharsetOs() method.
Use fullname for naming

tbl --> table
col --> column
Util: Rename ArrayUtil::filterByWildcard() to searchByWildcard()
Bridge: When forcenew to get meta column, so do with get column name
Bridge: Rename Adodb::checkTableExist() to isTableExist()
Bridge: Rename Adodb::$charsetOs to $charsetPhp

Also add translate method AbstractDbClient::setCharsetPhp().
Db: Migrate class/dbupdater.php

To Fwlib\Db\SyncDbSchema
Update readme with copyright and license only