Merge pull request #29 from masaru-iritani/master

Replace `git whatchanged` with `git log --raw`

Author: chetan

git-restore-mtime

@@ -318,7 +318,7 @@ class Git:
 
     def log(self, merge=False, first_parent=False, commit_time=False,
             reverse_order=False, paths: list = None):
-        cmd = 'whatchanged --pretty={}'.format('%ct' if commit_time else '%at')
+        cmd = 'log --raw --pretty={}'.format('%ct' if commit_time else '%at')
         if merge:         cmd += ' -m'
         if first_parent:  cmd += ' --first-parent'
         if reverse_order: cmd += ' --reverse'