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-# qs
-
-A querystring parsing and stringifying library with some added security.
-
-[![Build Status](https://secure.travis-ci.org/hapijs/qs.svg)](http://travis-ci.org/hapijs/qs)
-
-Lead Maintainer: [Nathan LaFreniere](https://github.com/nlf)
-
-The **qs** module was originally created and maintained by [TJ Holowaychuk](https://github.com/visionmedia/node-querystring).
-
-## Usage
-
-```javascript
-var Qs = require('qs');
-
-var obj = Qs.parse('a=c');    // { a: 'c' }
-var str = Qs.stringify(obj);  // 'a=c'
-```
-
-### Parsing Objects
-
-```javascript
-Qs.parse(string, [options]);
-```
-
-**qs** allows you to create nested objects within your query strings, by surrounding the name of sub-keys with square brackets `[]`.
-For example, the string `'foo[bar]=baz'` converts to:
-
-```javascript
-{
-  foo: {
-    bar: 'baz'
-  }
-}
-```
-
-URI encoded strings work too:
-
-```javascript
-Qs.parse('a%5Bb%5D=c');
-// { a: { b: 'c' } }
-```
-
-You can also nest your objects, like `'foo[bar][baz]=foobarbaz'`:
-
-```javascript
-{
-  foo: {
-    bar: {
-      baz: 'foobarbaz'
-    }
-  }
-}
-```
-
-By default, when nesting objects **qs** will only parse up to 5 children deep. This means if you attempt to parse a string like
-`'a[b][c][d][e][f][g][h][i]=j'` your resulting object will be:
-
-```javascript
-{
-  a: {
-    b: {
-      c: {
-        d: {
-          e: {
-            f: {
-              '[g][h][i]': 'j'
-            }
-          }
-        }
-      }
-    }
-  }
-}
-```
-
-This depth can be overridden by passing a `depth` option to `Qs.parse(string, [options])`:
-
-```javascript
-Qs.parse('a[b][c][d][e][f][g][h][i]=j', { depth: 1 });
-// { a: { b: { '[c][d][e][f][g][h][i]': 'j' } } }
-```
-
-The depth limit helps mitigate abuse when **qs** is used to parse user input, and it is recommended to keep it a reasonably small number.
-
-For similar reasons, by default **qs** will only parse up to 1000 parameters. This can be overridden by passing a `parameterLimit` option:
-
-```javascript
-Qs.parse('a=b&c=d', { parameterLimit: 1 });
-// { a: 'b' }
-```
-
-An optional delimiter can also be passed:
-
-```javascript
-Qs.parse('a=b;c=d', { delimiter: ';' });
-// { a: 'b', c: 'd' }
-```
-
-Delimiters can be a regular expression too:
-
-```javascript
-Qs.parse('a=b;c=d,e=f', { delimiter: /[;,]/ });
-// { a: 'b', c: 'd', e: 'f' }
-```
-
-### Parsing Arrays
-
-**qs** can also parse arrays using a similar `[]` notation:
-
-```javascript
-Qs.parse('a[]=b&a[]=c');
-// { a: ['b', 'c'] }
-```
-
-You may specify an index as well:
-
-```javascript
-Qs.parse('a[1]=c&a[0]=b');
-// { a: ['b', 'c'] }
-```
-
-Note that the only difference between an index in an array and a key in an object is that the value between the brackets must be a number
-to create an array. When creating arrays with specific indices, **qs** will compact a sparse array to only the existing values preserving
-their order:
-
-```javascript
-Qs.parse('a[1]=b&a[15]=c');
-// { a: ['b', 'c'] }
-```
-
-Note that an empty string is also a value, and will be preserved:
-
-```javascript
-Qs.parse('a[]=&a[]=b');
-// { a: ['', 'b'] }
-Qs.parse('a[0]=b&a[1]=&a[2]=c');
-// { a: ['b', '', 'c'] }
-```
-
-**qs** will also limit specifying indices in an array to a maximum index of `20`. Any array members with an index of greater than `20` will
-instead be converted to an object with the index as the key:
-
-```javascript
-Qs.parse('a[100]=b');
-// { a: { '100': 'b' } }
-```
-
-This limit can be overridden by passing an `arrayLimit` option:
-
-```javascript
-Qs.parse('a[1]=b', { arrayLimit: 0 });
-// { a: { '1': 'b' } }
-```
-
-To disable array parsing entirely, set `arrayLimit` to `-1`.
-
-If you mix notations, **qs** will merge the two items into an object:
-
-```javascript
-Qs.parse('a[0]=b&a[b]=c');
-// { a: { '0': 'b', b: 'c' } }
-```
-
-You can also create arrays of objects:
-
-```javascript
-Qs.parse('a[][b]=c');
-// { a: [{ b: 'c' }] }
-```
-
-### Stringifying
-
-```javascript
-Qs.stringify(object, [options]);
-```
-
-When stringifying, **qs** always URI encodes output. Objects are stringified as you would expect:
-
-```javascript
-Qs.stringify({ a: 'b' });
-// 'a=b'
-Qs.stringify({ a: { b: 'c' } });
-// 'a%5Bb%5D=c'
-```
-
-Examples beyond this point will be shown as though the output is not URI encoded for clarity. Please note that the return values in these cases *will* be URI encoded during real usage.
-
-When arrays are stringified, by default they are given explicit indices:
-
-```javascript
-Qs.stringify({ a: ['b', 'c', 'd'] });
-// 'a[0]=b&a[1]=c&a[2]=d'
-```
-
-You may override this by setting the `indices` option to `false`:
-
-```javascript
-Qs.stringify({ a: ['b', 'c', 'd'] }, { indices: false });
-// 'a=b&a=c&a=d'
-```
-
-You may use the `arrayFormat` option to specify the format of the output array
-
-```javascript
-Qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'indices' })
-// 'a[0]=b&a[1]=c'
-Qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'brackets' })
-// 'a[]=b&a[]=c'
-Qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'repeat' })
-// 'a=b&a=c'
-```
-
-Empty strings and null values will omit the value, but the equals sign (=) remains in place:
-
-```javascript
-Qs.stringify({ a: '' });
-// 'a='
-```
-
-Properties that are set to `undefined` will be omitted entirely:
-
-```javascript
-Qs.stringify({ a: null, b: undefined });
-// 'a='
-```
-
-The delimiter may be overridden with stringify as well:
-
-```javascript
-Qs.stringify({ a: 'b', c: 'd' }, { delimiter: ';' });
-// 'a=b;c=d'
-```