Textconf

What's Changed
* Rename `_template_` attribute to `template` in BaseConfig by daizutabi in https://github.com/daizutabi/textconf/pull/32


**Full Changelog**: https://github.com/daizutabi/textconf/compare/0.2.8...0.3.0

What's Changed
* Add `set_environment` to class methods list by daizutabi in https://github.com/daizutabi/textconf/pull/30


**Full Changelog**: https://github.com/daizutabi/textconf/compare/0.2.6...0.2.7

What's Changed
* Create `Template` from string by daizutabi in https://github.com/daizutabi/textconf/pull/28


**Full Changelog**: https://github.com/daizutabi/textconf/compare/0.2.5...0.2.6

What's Changed
* render take Template by daizutabi in https://github.com/daizutabi/textconf/pull/22


**Full Changelog**: https://github.com/daizutabi/textconf/compare/0.2.3...0.2.4