http://localhost/Test/index.php -> http://localhost/Test/home
http://localhost/Test/index.php?do=main -> http://localhost/Test/main
http://localhost/Test/index.php?do=profile&uid=1 -> http://localhost/Test/profile/1

RewriteRule ^/?index.php                    home/
RewriteRule ^/?index.php?do=(w*)           $1/
RewriteRule ^/?index.php?do=(w*)&uid=(w*) $1/$2