code: function include(filename, absolute) {
              filename = absolute
                  ? filename
                  : __dirname + '/' + filename;
              var _program  = __program,  // Previous meta program
                  _source   = __source,   // Previous source
                  _filename = __filename, // Previous source file
                  _dirname  = __dirname,  // Previous source directory
                  _indent   = __;         // Previous indentation level
              var files;
              if (/(?:^|[^\\])\*/.test(filename)) {
                  files = require("glob").sync(filename, { cwd : __dirname, nosort: true });
                  files.sort(naturalCompare); // Sort these naturally (e.g. int8 < int16)
              } else {
                  files = [filename];
              }
              files.forEach(function(file) {
                  var source = require("fs").readFileSync(file)+"";
                  __program = MetaScript.compile(indent(source, __));
                  __source = source;
                  __filename = file;
                  __dirname = dirname(__filename);
                  __runProgram();
                  __program = _program;
                  __source = _source;
                  __filename = _filename;
                  __dirname = _dirname;
                  __ = _indent;
              });
          }
docs: Includes another source file.
  @function include
  @param {string} filename File to include. May be a glob expression on node.js.
  @param {boolean} absolute Whether the path is absolute, defaults to `false` for a relative path