0.4.0 :
- Fix prefered download site usage
- Add post pecl build callback
0.3.0 :
- Add variable
php_band_php_extension_dir - Add extension building support
0.2.0 :
- Add a check of configuration files modification date to rebuild
- Create an asset directory for testing
- Add possibility to specify the root dir with environment variable PHP_BAND_ASSETS_DIR
0.1.0 : Initial version