ADD: added UtilFcuntion class and a test function

tests/test_UtilFunctions.cpp

@@ -0,0 +1,38 @@
+#include <SimCore/UtilFunctions.hpp>
+#include <string>
+#define CATCH_CONFIG_MAIN
+#include <catch2/catch.hpp>
+
+
+
+
+SCENARIO("Testing the SimCorePositionClass")
+{
+  GIVEN("different position in different forms")
+  {
+   
+    std::string s1 = "hello.world.guy";
+    std::string s2 = "my;Name;is;henry";
+
+
+    WHEN("constructing Position Object with data")
+    {
+        auto v1 = SimCore::UtilFunctions::explode(s1, '.');
+        auto v2 = SimCore::UtilFunctions::explode(s2, ';');
+        auto v3 = SimCore::UtilFunctions::explode(s2, '.');
+
+        
+      THEN("positions attributes are correct")
+      {
+        REQUIRE(v1.size() == 3);
+        REQUIRE(v1.begin()->compare("hello") == 0);
+
+         REQUIRE(v2.size() == 4);
+        REQUIRE(v2[1].compare("Name") == 0);
+
+    
+
+      } //THEN
+    } // WHEN
+  } // GIVEN
+} //SCENARIO