Merged e_db_mysql and e_db_pdo tests into e_db_abstractTest

- FIX: e_db::copyTable() is now an interface
- FIX: e_db_mysql now implements e_db
- FIX: Implemented missing e_db_mysql::copyTable() public method
- FIX: Implemented missing e_db_mysql::setLanguage() method
- FIX: Implemented missing e_db_mysql::getLanguage() method
- FIX: Implemented missing e_db_mysql::dropTable() method
- MOD: Merged e_db_mysqlTest and e_db_pdoTest into e_db_abstractTest

e107_handlers/e_db_interface.php

@@ -386,6 +386,18 @@
 
 
 
+		/**
+		 * XXX: e_db_pdo and e_db_mysql have differing implementations of this method.
+		 * @param string $oldtable
+		 * @param string $newtable
+		 * @param bool $drop
+		 * @param bool $data
+		 * @return bool|int|PDOStatement|resource
+		 */
+		public function copyTable($oldtable, $newtable, $drop = false, $data = false);
+
+
+
 		/**
 		 * Drop/delete table and all it's data
 		 * @param string $table name without the prefix