updated package and readme files to match the current version

Author: nikodemgrz

Assets/NikosAssets/U3DHelperTools/README.html

@@ -65,7 +65,7 @@ <h3 id="unity-package-dependency">Unity Package Dependency</h3>
     ], 
     <span class="hljs-string">"dependencies"</span> 
     {
-        <span class="hljs-string">"com.nikosassets.u3dhelpertools"</span>: <span class="hljs-string">"1.3.0"</span>
+        <span class="hljs-string">"com.nikosassets.u3dhelpertools"</span>: <span class="hljs-string">"1.3.1"</span>
     }
 }
 </code></pre><h3 id="unity-project">Unity Project</h3>

Assets/NikosAssets/U3DHelperTools/package.json

@@ -1,7 +1,7 @@
 {
   "name": "com.nikosassets.u3dhelpertools",
   "displayName": "Unity3DHelperTools",
-  "version": "1.3.0",
+  "version": "1.3.1",
   "unity": "2019.4",
   "description": "This open-source package contains a collection of handy scripts like math algorithms (E.g. Vector & Quaternion helpers) for the Unity3D runtime environment and the Editor as well",
   "keywords": [ "utility", "inspector", "editor", "algorithms", "helpers", "common" ],

README.md

@@ -89,7 +89,7 @@ Or alternatively (without git urls):
     ], 
     "dependencies" 
     {
-        "com.nikosassets.u3dhelpertools": "1.3.0"
+        "com.nikosassets.u3dhelpertools": "1.3.1"
     }
 }
 ```