Update README.md

Forceflow · web-flow · commit 4c601e3741a8 · 2019-10-06T03:39:06.000+02:00
diff --git a/README.md b/README.md
@@ -1,4 +1,4 @@
-# Libmorton v0.2
+# Libmorton v0.2.1
 [![Build Status](https://travis-ci.org/Forceflow/libmorton.svg?branch=master)](https://travis-ci.org/Forceflow/libmorton) [![license](https://img.shields.io/github/license/mashape/apistatus.svg)](https://opensource.org/licenses/MIT) [![Donate](https://img.shields.io/badge/Donate-PayPal-green.svg)](https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=4JAUNWWYUVRN4&currency_code=EUR&source=url)
 
  * Libmorton is a **C++11 header-only library** with methods to efficiently encode/decode 64, 32 and 16-bit Morton codes and coordinates, in 2D and 3D. *Morton order* is also known as *Z-order* or *[the Z-order curve](https://en.wikipedia.org/wiki/Z-order_curve)*.

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`1`		`-# Libmorton v0.2`
	`1`	`+# Libmorton v0.2.1`
`2`	`2`	`[![Build Status](https://travis-ci.org/Forceflow/libmorton.svg?branch=master)](https://travis-ci.org/Forceflow/libmorton) [![license](https://img.shields.io/github/license/mashape/apistatus.svg)](https://opensource.org/licenses/MIT) [![Donate](https://img.shields.io/badge/Donate-PayPal-green.svg)](https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=4JAUNWWYUVRN4&currency_code=EUR&source=url)`
`3`	`3`
`4`	`4`	`* Libmorton is a C++11 header-only library with methods to efficiently encode/decode 64, 32 and 16-bit Morton codes and coordinates, in 2D and 3D. Morton order is also known as Z-order or [the Z-order curve](https://en.wikipedia.org/wiki/Z-order_curve).`