diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8f00f2b0..7f074ca3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -258,63 +258,6 @@ VS2015-32-bit-static-no-apps:
     paths:
       - build-release/*.exe
       
-      
-VS2013-64-bit-shared-no-apps:
-  stage: build
-  variables:
-    BUILD_PLATFORM: "VS2013"
-    ARCHITECTURE:   "x64"
-    SHARED:         "TRUE"
-    APPS:           "OFF"
-  script: "CI\\Windows.bat"
-  tags:
-    - VS2013
-  artifacts:
-    paths:
-      - build-release/*.exe
-
-VS2013-32-bit-shared-no-apps:
-  stage: build
-  variables:
-    BUILD_PLATFORM: "VS2013"
-    ARCHITECTURE:   "x32"
-    SHARED:         "TRUE"
-    APPS:           "OFF"
-  script: "CI\\Windows.bat"
-  tags:
-    - VS2013
-  artifacts:
-    paths:
-      - build-release/*.exe
-      
-VS2013-64-bit-static-no-apps:
-  stage: build
-  variables:
-    BUILD_PLATFORM: "VS2013"
-    ARCHITECTURE:   "x64"
-    SHARED:         "FALSE"
-    APPS:           "OFF"
-  script: "CI\\Windows.bat"
-  tags:
-    - VS2013
-  artifacts:
-    paths:
-      - build-release/*.exe
-
-VS2013-32-bit-static-no-apps:
-  stage: build
-  variables:
-    BUILD_PLATFORM: "VS2013"
-    ARCHITECTURE:   "x32"
-    SHARED:         "FALSE"
-    APPS:           "OFF"
-  script: "CI\\Windows.bat"
-  tags:
-    - VS2013
-  artifacts:
-    paths:
-      - build-release/*.exe      
-      
 Doc-publish:
   stage: deploy
   only:
diff --git a/CI/Windows.bat b/CI/Windows.bat
index b2a0c2f4..d4f44307 100644
--- a/CI/Windows.bat
+++ b/CI/Windows.bat
@@ -16,21 +16,6 @@ IF "%SHARED%" == "TRUE" (
   set STRING_DLL=
 )
 
-IF "%BUILD_PLATFORM%" == "VS2013" (
-    set LIBPATH=E:\libs\VS2013
-    set GTESTVERSION=gtest-1.6.0
-    set GENERATOR=Visual Studio 12%ARCH_VS%
-    set VS_PATH="C:\Program Files (x86)\Microsoft Visual Studio 12.0\Common7\IDE\devenv.com"
-    IF "%ARCHITECTURE%" == "x64" (
-      set QT_INSTALL_PATH=E:\Qt\Qt5.7.0\5.7\msvc2013_64
-      set QT_BASE_CONFIG=-DQT5_INSTALL_PATH=E:\Qt\Qt5.7.0\5.7\msvc2013_64
-    )
-
-    IF "%ARCHITECTURE%" == "x32" (
-      set QT_INSTALL_PATH=E:\Qt\Qt5.7.0\5.7\msvc2013
-      set QT_BASE_CONFIG=-DQT5_INSTALL_PATH=E:\Qt\Qt5.7.0\5.7\msvc2013
-    )
-) 
 
 IF "%BUILD_PLATFORM%" == "VS2015" (
     set LIBPATH=E:\libs\VS2015
diff --git a/Doc/compiling.docu b/Doc/compiling.docu
index 19c09b19..331edad5 100644
--- a/Doc/compiling.docu
+++ b/Doc/compiling.docu
@@ -94,7 +94,7 @@ Building OpenMesh on Windows requires cmake to generate the project files for Vi
 
 
 <ul>
-<li> Get Visual Studio ( 2013-2017 ) </li>
+<li> Get Visual Studio ( 2015-2017 ) </li>
 <li> Extract %OpenMesh source code. </li>
 <li> Get all required libraries and install them ( including headers! ).</li>
 <li> Download and install cmake:  <a href="https://cmake.org/download/">www.cmake.org</a>.<br> </li>
diff --git a/README.md b/README.md
index 062f4a41..7c165f53 100644
--- a/README.md
+++ b/README.md
@@ -19,16 +19,16 @@ https://www.graphics.rwth-aachen.de:9000/OpenMesh/openmesh-python
 
 ### Windows
 
-| Visual Studio Version: | 2017 | 2015 | 2013 |
-| -------- | -------- |-------- |-------- |
-| 64-Bit shared, with apps  | [Download](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2017-64-bit-shared-apps) | [Download](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2015-64-bit-shared-apps)  | - |
-| 32-Bit shared, with apps   | -  | [Download](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2015-32-bit-shared-apps)   | - |
-| 64-Bit static, with apps  | [Download ](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2017-64-bit-static-apps)  | [Download ](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2015-64-bit-static-apps)  | - |
-| 32-Bit static, with apps   | -  | [ Download ](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2015-32-bit-static-apps)   | - |
-| 64-Bit shared, no apps  | [Download](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2017-64-bit-shared-no-apps)  | [Download](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2015-64-bit-shared-no-apps)  | [Download](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2013-64-bit-shared-no-apps)  |
-| 32-Bit shared, no apps   | [Download](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2017-32-bit-shared-no-apps)   | [Download](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2015-32-bit-shared-no-apps)   | [Download](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2013-32-bit-shared-no-apps)   |
-| 64-Bit static, no apps  | [Download ](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2017-64-bit-static-no-apps)   | [Download ](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2015-64-bit-static-no-apps)  |  [Download ](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2013-64-bit-static-no-apps)    |
-| 32-Bit static, no apps   | [ Download ](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2017-32-bit-static-no-apps)  | [ Download ](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2015-32-bit-static-no-apps)   | [ Download ](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2013-32-bit-static-no-apps)   |
+| Visual Studio Version: | 2017 | 2015 |
+| -------- | -------- |-------- |
+| 64-Bit shared, with apps  | [Download](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2017-64-bit-shared-apps) | [Download](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2015-64-bit-shared-apps)  |
+| 32-Bit shared, with apps   | -  | [Download](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2015-32-bit-shared-apps)   |
+| 64-Bit static, with apps  | [Download ](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2017-64-bit-static-apps)  | [Download ](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2015-64-bit-static-apps)  |
+| 32-Bit static, with apps   | -  | [ Download ](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2015-32-bit-static-apps)   |
+| 64-Bit shared, no apps  | [Download](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2017-64-bit-shared-no-apps)  | [Download](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2015-64-bit-shared-no-apps)  |
+| 32-Bit shared, no apps   | [Download](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2017-32-bit-shared-no-apps)   | [Download](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2015-32-bit-shared-no-apps)   |
+| 64-Bit static, no apps  | [Download ](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2017-64-bit-static-no-apps)   | [Download ](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2015-64-bit-static-no-apps)  |
+| 32-Bit static, no apps   | [ Download ](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2017-32-bit-static-no-apps)  | [ Download ](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/build-release?job=VS2015-32-bit-static-no-apps)   |
 
 ## Download Sources
 [ Download Sources](https://www.graphics.rwth-aachen.de:9000/OpenMesh/OpenMesh/-/jobs/artifacts/master/browse/?job=Sources )
diff --git a/src/Unittests/unittests_vector_type.cc b/src/Unittests/unittests_vector_type.cc
index fb2378e4..878c3248 100644
--- a/src/Unittests/unittests_vector_type.cc
+++ b/src/Unittests/unittests_vector_type.cc
@@ -397,4 +397,19 @@ TEST_F(OpenMeshVectorGCCBugTest, alignment_bug) {
 }
 
 
+TEST_F(OpenMeshVectorTest, Test_simple_0_constructor) {
+
+  // Create a test vector with zeroes from one parameter
+  OpenMesh::Vec3d testVec = OpenMesh::Vec3d(0);
+  
+  EXPECT_EQ(0.0f, testVec[0]) << "Wrong Value after construction!";
+  EXPECT_EQ(0.0f, testVec[1]) << "Wrong Value after construction!";
+  EXPECT_EQ(0.0f, testVec[2]) << "Wrong Value after construction!";
+
+
+
+}
+
+
+
 }