added unit testing, and started implementing unit tests...phew

node_modules/one-time/.npmignore

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+node_modules
+coverage

node_modules/one-time/.travis.yml

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+language: node_js
+node_js:
+  - "0.12"
+  - "0.10"
+  - "0.8"
+  - "iojs"
+before_install:
+  - "npm install -g npm@1.4.x"
+script:
+  - "npm run test-travis"
+after_script:
+  - "npm install coveralls@2.11.x && cat coverage/lcov.info | coveralls"
+notifications:
+  irc:
+    channels:
+      - "irc.freenode.org#unshift"
+    on_success: change
+    on_failure: change

node_modules/one-time/LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2015 Unshift.io, Arnout Kazemier,  the Contributors.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+

node_modules/one-time/README.md

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+# one-time
+
+[![Made by unshift](https://img.shields.io/badge/made%20by-unshift-00ffcc.svg?style=flat-square)](http://unshift.io)[![Version npm](http://img.shields.io/npm/v/one-time.svg?style=flat-square)](http://browsenpm.org/package/one-time)[![Build Status](http://img.shields.io/travis/unshiftio/one-time/master.svg?style=flat-square)](https://travis-ci.org/unshiftio/one-time)[![Dependencies](https://img.shields.io/david/unshiftio/one-time.svg?style=flat-square)](https://david-dm.org/unshiftio/one-time)[![Coverage Status](http://img.shields.io/coveralls/unshiftio/one-time/master.svg?style=flat-square)](https://coveralls.io/r/unshiftio/one-time?branch=master)[![IRC channel](http://img.shields.io/badge/IRC-irc.freenode.net%23unshift-00a8ff.svg?style=flat-square)](http://webchat.freenode.net/?channels=unshift) 
+
+Call the supplied function exactly one time. This prevents double callback
+execution. This module can be used on both node and browsers using browserify.
+No magical ES5/6 methods used unlike the `once` module does.
+
+## Installation
+
+```
+npm install one-time
+```
+
+## Usage
+
+Simply supply the function with the function that should only be called one
+time:
+
+```js
+var one = require('one-time');
+
+function load(file, fn) {
+  fn = one(fn);
+
+  eventemitter.once('load', fn);
+  eventemitter.once('error', fn);
+
+  // do stuff
+  eventemitter.emit('error', new Error('Failed to load, but still finished'));
+  eventemitter.emit('load');
+}
+
+function example(fn) {
+  fn = one(fn);
+
+  fn();
+  fn('also receives all arguments');
+  fn('it returns the same value') === 'bar';
+  fn('never');
+  fn('gonna');
+  fn('give');
+  fn('you');
+  fn('up');
+}
+
+example(function () { 
+  return 'bar'
+});
+```
+
+### Why not `once`?
+
+The main reason is that `once` cannot be used in a browser environment unless it's
+ES5 compatible. For a module as simple as this I find that unacceptable. In addition
+to that it super heavy on the dependency side. So it's totally not suitable to be
+used in client side applications.
+
+In addition to that we make sure that your code stays easy to debug as returned
+functions are named in the same way as your supplied functions. Making heap
+inspection and stacktraces easier to understand.
+
+## License
+
+MIT

node_modules/one-time/index.js

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+'use strict';
+
+/**
+ * Wrap callbacks to prevent double execution.
+ *
+ * @param {Function} fn Function that should only be called once.
+ * @returns {Function} A wrapped callback which prevents execution.
+ * @api public
+ */
+module.exports = function one(fn) {
+  var called = 0
+    , value;
+
+  /**
+   * The function that prevents double execution.
+   *
+   * @api private
+   */
+  function onetime() {
+    if (called) return value;
+
+    called = 1;
+    value = fn.apply(this, arguments);
+    fn = null;
+
+    return value;
+  }
+
+  //
+  // To make debugging more easy we want to use the name of the supplied
+  // function. So when you look at the functions that are assigned to event
+  // listeners you don't see a load of `onetime` functions but actually the
+  // names of the functions that this module will call.
+  //
+  onetime.displayName = fn.displayName || fn.name || onetime.displayName || onetime.name;
+  return onetime;
+};

node_modules/one-time/package.json

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+{
+  "_from": "one-time@0.0.4",
+  "_id": "one-time@0.0.4",
+  "_inBundle": false,
+  "_integrity": "sha1-+M33eISCb+Tf+T46nMN7HkSAdC4=",
+  "_location": "/one-time",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "version",
+    "registry": true,
+    "raw": "one-time@0.0.4",
+    "name": "one-time",
+    "escapedName": "one-time",
+    "rawSpec": "0.0.4",
+    "saveSpec": null,
+    "fetchSpec": "0.0.4"
+  },
+  "_requiredBy": [
+    "/winston"
+  ],
+  "_resolved": "https://registry.npmjs.org/one-time/-/one-time-0.0.4.tgz",
+  "_shasum": "f8cdf77884826fe4dff93e3a9cc37b1e4480742e",
+  "_spec": "one-time@0.0.4",
+  "_where": "/Users/josh.burman/Projects/braid/node_modules/winston",
+  "author": {
+    "name": "Arnout Kazemier"
+  },
+  "bugs": {
+    "url": "https://github.com/unshiftio/one-time/issues"
+  },
+  "bundleDependencies": false,
+  "deprecated": false,
+  "description": "Run the supplied function exactly one time (once)",
+  "devDependencies": {
+    "assume": "1.2.x",
+    "istanbul": "0.3.x",
+    "mocha": "2.2.x",
+    "pre-commit": "1.0.x"
+  },
+  "homepage": "https://github.com/unshiftio/one-time#readme",
+  "keywords": [
+    "once",
+    "function",
+    "single",
+    "one",
+    "one-time",
+    "execution",
+    "nope"
+  ],
+  "license": "MIT",
+  "main": "index.js",
+  "name": "one-time",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/unshiftio/one-time.git"
+  },
+  "scripts": {
+    "100%": "istanbul check-coverage --statements 100 --functions 100 --lines 100 --branches 100",
+    "coverage": "istanbul cover ./node_modules/.bin/_mocha -- test.js",
+    "test": "mocha test.js",
+    "test-travis": "istanbul cover node_modules/.bin/_mocha --report lcovonly -- test.js",
+    "watch": "mocha --watch test.js"
+  },
+  "version": "0.0.4"
+}

node_modules/one-time/test.js

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+describe('one-time', function () {
+  'use strict';
+
+  var assume = require('assume')
+    , one = require('./');
+
+  it('is exported as a function', function () {
+    assume(one).is.a('function');
+  });
+
+  it('only calls the supplied function once', function (next) {
+    next = one(next);
+
+    next();
+    next();
+    next();
+    next();
+  });
+
+  it('returns the same value as the called function every single time', function () {
+    var foo = one(function () {
+      return 'bar';
+    });
+
+    assume(foo()).equals('bar');
+    assume(foo()).equals('bar');
+    assume(foo()).equals('bar');
+    assume(foo()).equals('bar');
+    assume(foo()).equals('bar');
+    assume(foo()).equals('bar');
+    assume(foo()).equals('bar');
+    assume(foo()).equals('bar');
+    assume(foo()).equals('bar');
+    assume(foo()).equals('bar');
+    assume(foo()).equals('bar');
+  });
+
+  it('the returned function uses the same displayName as the given fn', function () {
+    var foo = one(function banana() {
+      return 'bar';
+    });
+
+    assume(foo.displayName).equals('banana');
+  });
+});