Update README.md

Oren (electricessence) · Oren (electricessence) · commit a5e16199904d · 2020-07-17T16:07:34.000-07:00
diff --git a/README.md b/README.md
@@ -2,4 +2,4 @@
 
 Useful set of collections, and extensions for collections with thread-safe read-write access options.
 
-[![NuGet](http://img.shields.io/nuget/v/Open.Collections.svg)](https://www.nuget.org/packages/Open.Collections/)
+[![NuGet](https://img.shields.io/nuget/v/Open.Collections.svg)](https://www.nuget.org/packages/Open.Collections/)

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`@@ -2,4 +2,4 @@`
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`3`	`3`	`Useful set of collections, and extensions for collections with thread-safe read-write access options.`
`4`	`4`
`5`		`-[![NuGet](http://img.shields.io/nuget/v/Open.Collections.svg)](https://www.nuget.org/packages/Open.Collections/)`
	`5`	`+[![NuGet](https://img.shields.io/nuget/v/Open.Collections.svg)](https://www.nuget.org/packages/Open.Collections/)`