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+#config-chain
+
+USE THIS MODULE TO LOAD ALL YOUR CONFIGURATIONS
+
+``` js
+
+  //npm install config-chain
+
+  var cc = require('config-chain')
+    , opts = require('optimist').argv //ALWAYS USE OPTIMIST FOR COMMAND LINE OPTIONS.
+    , env = opts.env || process.env.YOUR_APP_ENV || 'dev' //SET YOUR ENV LIKE THIS.
+
+  // EACH ARG TO CONFIGURATOR IS LOADED INTO CONFIGURATION CHAIN
+  // EARLIER ITEMS OVERIDE LATER ITEMS
+  // PUTS COMMAND LINE OPTS FIRST, AND DEFAULTS LAST!
+
+  //strings are interpereted as filenames.
+  //will be loaded synchronously
+
+  var conf =
+  cc(
+    //OVERRIDE SETTINGS WITH COMMAND LINE OPTS
+    opts,
+
+    //ENV VARS IF PREFIXED WITH 'myApp_'
+
+    cc.env('myApp_'), //myApp_foo = 'like this'
+
+    //FILE NAMED BY ENV
+    path.join(__dirname,  'config.' + env + '.json'),
+
+    //IF `env` is PRODUCTION
+    env === 'prod'
+      ? path.join(__dirname, 'special.json') //load a special file
+      : null //NULL IS IGNORED!
+
+    //SUBDIR FOR ENV CONFIG
+    path.join(__dirname,  'config', env, 'config.json'),
+
+    //SEARCH PARENT DIRECTORIES FROM CURRENT DIR FOR FILE
+    cc.find('config.json'),
+
+    //PUT DEFAULTS LAST
+    {
+      host: 'localhost'
+      port: 8000
+    })
+
+  var host = conf.get('host')
+
+  // or
+
+  var host = conf.store.host
+
+```
+
+FINALLY, EASY FLEXIBLE CONFIGURATIONS!
+
+##see also: [proto-list](https://github.com/isaacs/proto-list/)
+
+WHATS THAT YOU SAY?
+
+YOU WANT A "CLASS" SO THAT YOU CAN DO CRAYCRAY JQUERY CRAPS?
+
+EXTEND WITH YOUR OWN FUNCTIONALTY!?
+
+## CONFIGCHAIN LIVES TO SERVE ONLY YOU!
+
+```javascript
+var cc = require('config-chain')
+
+// all the stuff you did before
+var config = cc({
+      some: 'object'
+    },
+    cc.find('config.json'),
+    cc.env('myApp_')
+  )
+  // CONFIGS AS A SERVICE, aka "CaaS", aka EVERY DEVOPS DREAM OMG!
+  .addUrl('http://configurator:1234/my-configs')
+  // ASYNC FTW!
+  .addFile('/path/to/file.json')
+
+  // OBJECTS ARE OK TOO, they're SYNC but they still ORDER RIGHT
+  // BECAUSE PROMISES ARE USED BUT NO, NOT *THOSE* PROMISES, JUST
+  // ACTUAL PROMISES LIKE YOU MAKE TO YOUR MOM, KEPT OUT OF LOVE
+  .add({ another: 'object' })
+
+  // DIE A THOUSAND DEATHS IF THIS EVER HAPPENS!!
+  .on('error', function (er) {
+    // IF ONLY THERE WAS SOMETHIGN HARDER THAN THROW
+    // MY SORROW COULD BE ADEQUATELY EXPRESSED.  /o\
+    throw er
+  })
+
+  // THROW A PARTY IN YOUR FACE WHEN ITS ALL LOADED!!
+  .on('load', function (config) {
+    console.awesome('HOLY SHIT!')
+  })
+```
+
+# BORING API DOCS
+
+## cc(...args)
+
+MAKE A CHAIN AND ADD ALL THE ARGS.
+
+If the arg is a STRING, then it shall be a JSON FILENAME.
+
+SYNC I/O!
+
+RETURN THE CHAIN!
+
+## cc.json(...args)
+
+Join the args INTO A JSON FILENAME!
+
+SYNC I/O!
+
+## cc.find(relativePath)
+
+SEEK the RELATIVE PATH by climbing the TREE OF DIRECTORIES.
+
+RETURN THE FOUND PATH!
+
+SYNC I/O!
+
+## cc.parse(content, file, type)
+
+Parse the content string, and guess the type from either the
+specified type or the filename.
+
+RETURN THE RESULTING OBJECT!
+
+NO I/O!
+
+## cc.env(prefix, env=process.env)
+
+Get all the keys on the provided env object (or process.env) which are
+prefixed by the specified prefix, and put the values on a new object.
+
+RETURN THE RESULTING OBJECT!
+
+NO I/O!
+
+## cc.ConfigChain()
+
+The ConfigChain class for CRAY CRAY JQUERY STYLE METHOD CHAINING!
+
+One of these is returned by the main exported function, as well.
+
+It inherits (prototypically) from
+[ProtoList](https://github.com/isaacs/proto-list/), and also inherits
+(parasitically) from
+[EventEmitter](http://nodejs.org/api/events.html#events_class_events_eventemitter)
+
+It has all the methods from both, and except where noted, they are
+unchanged.
+
+### LET IT BE KNOWN THAT chain IS AN INSTANCE OF ConfigChain.
+
+## chain.sources
+
+A list of all the places where it got stuff.  The keys are the names
+passed to addFile or addUrl etc, and the value is an object with some
+info about the data source.
+
+## chain.addFile(filename, type, [name=filename])
+
+Filename is the name of the file.  Name is an arbitrary string to be
+used later if you desire.  Type is either 'ini' or 'json', and will
+try to guess intelligently if omitted.
+
+Loaded files can be saved later.
+
+## chain.addUrl(url, type, [name=url])
+
+Same as the filename thing, but with a url.
+
+Can't be saved later.
+
+## chain.addEnv(prefix, env, [name='env'])
+
+Add all the keys from the env object that start with the prefix.
+
+## chain.addString(data, file, type, [name])
+
+Parse the string and add it to the set.  (Mainly used internally.)
+
+## chain.add(object, [name])
+
+Add the object to the set.
+
+## chain.root {Object}
+
+The root from which all the other config objects in the set descend
+prototypically.
+
+Put your defaults here.
+
+## chain.set(key, value, name)
+
+Set the key to the value on the named config object.  If name is
+unset, then set it on the first config object in the set.  (That is,
+the one with the highest priority, which was added first.)
+
+## chain.get(key, [name])
+
+Get the key from the named config object explicitly, or from the
+resolved configs if not specified.
+
+## chain.save(name, type)
+
+Write the named config object back to its origin.
+
+Currently only supported for env and file config types.
+
+For files, encode the data according to the type.
+
+## chain.on('save', function () {})
+
+When one or more files are saved, emits `save` event when they're all
+saved.
+
+## chain.on('load', function (chain) {})
+
+When the config chain has loaded all the specified files and urls and
+such, the 'load' event fires.