sabottenda/fluent-plugin-flatten-hash — pull request #1 by harukasan (2013-11-13 13:11:27+00:00)
Title: Fix tag handling

Hi.
HandleTagNameMixin::filter_record has side effect.
So when some records emitted, add_tag_prefix/remove_tag_prefix is modified previous records too.
I fix the bug, and add test code.