Zpretty

- Last release that supports Python2.7
- Fix text method
- Preserve entities in text
- Added an `--encoding` parameter
- Added an `--xml` parameter to force xml parsing
- Choose the better parser according to the given filename if no parser is forced
- Process stdin if `-` is in the arguments or no arguments are passed [ale-rt]

- Small modification for the order of the zcml attributes
- Auto add a new line to the end of the prettified files
- Self heal open self closing tag. [ale-rt]

- Fixed bad release. [ale-rt]

- Initial support for zcml style guide (\3). [ale-rt]

- Initial release. [ale-rt]