Fixed import paths for public release
Fixed typo
Support double-quoted Heredoc identifiers

Introduced with PHP 5.3.0, as described in
http://php.net/manual/en/language.types.string.php#example-90
Create .travis.yml
Merge pull request #4 from rwos/heredocs

Support for double-quoted Heredoc identifiers
Added badges to README
Add class and property node types to the printer
Merge pull request #6 from mtibben/playing-around-with-fmt

Add class and property node types to the printer