Switch to PSR-1/PSR-2 coding style.
Extend from BaseNodeFilter instead of BaseProcessFilter.
Allow usage of custom node binary.
Add composer.phar to .gitignore.
Introduce tests.
Optimize code.
Make private variables protected.
Add missing LICENSE file.
Improve the inline documentation.
Heavily improve the readme with usage examples.
Merge branch 'release/1.0.0'