Update README.md

Updated NuGet package versions

Author: angusmillar

README.md

@@ -24,13 +24,13 @@
 
 ## [SmartHealthCard.Token](https://www.nuget.org/packages/SmartHealthCard.Token/0.1.0-alpha.1): Encode, Decode & Verifiy SMART Health Card JWS tokens  
 ```
-Install-Package SmartHealthCard.QRCode -Version 0.1.0-alpha.1
+Install-Package SmartHealthCard.QRCode -Version 0.1.0-alpha.2
 ```
 
 
 ## [SmartHealthCard.QRCode](https://www.nuget.org/packages/SmartHealthCard.QRCode/0.1.0-alpha.1): Encode SMART Health Card JWS token QR Code images
 ```
-Install-Package SmartHealthCard.QRCode -Version 0.1.0-alpha.1
+Install-Package SmartHealthCard.QRCode -Version 0.1.0-alpha.2
 ```