simple readme and example_test

README.md

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 # gocqlx [![GoDoc](http://img.shields.io/badge/go-documentation-blue.svg?style=flat-square)](http://godoc.org/github.com/mmatczuk/gocqlx) [![Go Report Card](https://goreportcard.com/badge/github.com/mmatczuk/gocqlx)](https://goreportcard.com/report/github.com/mmatczuk/gocqlx) [![Build Status](http://img.shields.io/travis/mmatczuk/gocqlx.svg?style=flat-square)](https://travis-ci.org/mmatczuk/gocqlx)
+
+Package `gocqlx` is a `gocql` extension, similar to what `sqlx` is to `database/sql`.
+
+It provides a new type that seamlessly wraps `gocql.Iter` and provide
+convenience methods which are useful in the development of database driven
+applications.  None of the underlying gocql.Iter methods are changed.
+Instead all extended behavior is implemented through new methods defined on
+wrapper type.
+
+The wrapper type enables you to bind iterator row into a struct. Under the
+hood it uses `sqlx/reflectx` package, models / structs working whit `sqlx` will
+also work with `gocqlx`.
+
+## Installation
+
+    go get github.com/mmatczuk/gocqlx
+
+## Example
+
+See [example test](https://github.com/mmatczuk/gocqlx/blob/master/example_test.go).