Added more VC tests

.appveyor.yml

@@ -5,10 +5,19 @@ os:
   - Visual Studio 2013
   - Visual Studio 2017
 
+configuration:
+  - Debug
+  - Release
+
+matrix:
+  fast_finish: true
+
 platform:
+  - x86
   - x86_64
 
 build:
+  parallel: true
   verbosity: minimal
 
 build_script:
@@ -16,7 +25,7 @@ build_script:
 - md build
 - cd build
 - cmake -DCMAKE_CXX_COMPILER=$COMPILER -DGLM_TEST_ENABLE=ON -DGLM_TEST_ENABLE_LANG_EXTENSIONS=ON ..
-- cmake -E time cmake --build . 
+- cmake -E time cmake --build . --config %CONFIGURATION%
 
 after_build:
-- ctest -C Release
+- ctest -C %CONFIGURATION%