docs: function setVersion(type, suffix) {
          var file = 'package.json',
              VERSION_REGEX = /([\'|\"]version[\'|\"][ ]*:[ ]*[\'|\"])([\d|.]*)(-\w+)*([\'|\"])/,
              contents = grunt.file.read(file),
              version;
          contents = contents.replace(VERSION_REGEX, function(match, left, center) {
              version = center;
              if (type) {
                  version = require('semver').inc(version, type);
              }
              //semver.inc strips our suffix if it existed
              if (suffix) {
                  version += '-' + suffix;
              }
              return left + version + '"';
          });
          grunt.log.ok('Version set to ' + version.cyan);
          grunt.file.write(file, contents);
          return version;
      }