Add README and LICENSE

LICENSE

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+MIT License
+
+Copyright (c) 2016 Derek W. Stavis
+
+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.
+

README.md

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+# go-qs
+
+>A Go port of Rack's query string parser.
+
+This package was written as I haven't found a good package that understands
+[Rack/Rails](http://guides.rubyonrails.org/form_helpers.html#understanding-parameter-naming-conventions) query string [format](https://gist.github.com/dapplebeforedawn/3724090).
+
+The good thing about this package is that it parses nested query strings into
+`map[string]interface{}`, the same format as Go `json.Unmarshal`.
+
+## Compatibility
+
+`go-qs` is a literal port of [Rack's code](https://github.com/rack/rack/blob/rack-1.3/lib/rack/utils.rb#L114),
+and the test suite [is also a port](https://github.com/derekstavis/go-qs/blob/master/qs/qs_test.go)
+of [Rack tests](https://github.com/rack/rack/blob/rack-1.3/test/spec_utils.rb#L107).
+
+## Usage
+
+There's only one function available:
+
+```go
+package main
+
+import "github.com/derekstavis/go-qs"
+
+query, err := qs.Parse("foo=bar&names[]=foo&names[]=bar")
+
+if err != nil {
+  fmt.Printf("%#+v\n", query)
+}
+```
+
+Should output this:
+
+```
+map[string]interface {}{"foo":"bar", "names":[]interface {}{"foo", "bar"}}
+```
+
+## License
+
+MIT (c) 2016 Derek W. Stavis
+