fix(index.js): generate it with bare option

.npmignore

@@ -11,6 +11,11 @@ pids
 logs
 results
 
-npm-debug.log
-node_modules
-*.sublime*
+*.sublime*
+
+example
+src
+test
+
+.travis.yml
+gulpfile.ls

gulpfile.ls

@@ -12,7 +12,7 @@ require! {
 gulp.task 'build' ->
   const index = do
     gulp.src 'src/index.ls'
-    .pipe gulp-livescript!
+    .pipe gulp-livescript bare: true
     .pipe gulp.dest '.'
 
   const main = do

index.js

@@ -1,34 +1,32 @@
-(function(){
-  var mapStream, LiveScript, gutil;
-  mapStream = require('map-stream');
-  LiveScript = require('LiveScript');
-  gutil = require('gulp-util');
-  module.exports = function(options){
-    options || (options = {});
-    function modifyLS(file, cb){
-      var done, error, e;
-      done = function(){
-        cb(void 8, file);
-      };
-      error = function(it){
-        cb(
-        new gutil.PluginError('gulp-livescript', it));
-      };
-      if (file.isNull()) {
-        return done();
-      }
-      if (file.isStream()) {
-        return error('Streaming not supported');
-      }
-      try {
-        file.contents = new Buffer(LiveScript.compile(file.contents.toString('utf8'), options));
-        file.path = gutil.replaceExtension(file.path, '.js');
-      } catch (e$) {
-        e = e$;
-        return error(e);
-      }
-      done();
+var mapStream, LiveScript, gutil;
+mapStream = require('map-stream');
+LiveScript = require('LiveScript');
+gutil = require('gulp-util');
+module.exports = function(options){
+  options || (options = {});
+  function modifyLS(file, cb){
+    var done, error, e;
+    done = function(){
+      cb(void 8, file);
+    };
+    error = function(it){
+      cb(
+      new gutil.PluginError('gulp-livescript', it));
+    };
+    if (file.isNull()) {
+      return done();
     }
-    return mapStream(modifyLS);
-  };
-}).call(this);
+    if (file.isStream()) {
+      return error('Streaming not supported');
+    }
+    try {
+      file.contents = new Buffer(LiveScript.compile(file.contents.toString('utf8'), options));
+      file.path = gutil.replaceExtension(file.path, '.js');
+    } catch (e$) {
+      e = e$;
+      return error(e);
+    }
+    done();
+  }
+  return mapStream(modifyLS);
+};