update to 1.2 version

Generate systemd script
Default info_level set to 2
Modify & add some comment for Example module
Brand new Console
Add daemon command argument
Add #OnTick annotation
Add ZMRobot API class

src/ZM/DB/DeleteBody.php

@@ -4,6 +4,8 @@
 namespace ZM\DB;
 
 
+use ZM\Exception\DbException;
+
 class DeleteBody
 {
     use WhereBody;
@@ -21,8 +23,12 @@ class DeleteBody
         $this->table = $table;
     }
 
+    /**
+     * @return mixed
+     * @throws DbException
+     */
     public function save() {
         list($sql, $param) = $this->getWhereSQL();
         return DB::rawQuery("DELETE FROM " . $this->table->getTableName() . " WHERE " . $sql, $param);
     }
-}
+}