fixed setting user_type to nullptr when initting new lisp objects

build.bat

@@ -11,11 +11,13 @@ pushd build
 taskkill /F /IM %exeName% > NUL 2> NUL
 
 echo ---------- Compiling ----------
-call timecmd cl ../src/main.cpp /std:c++latest /Fe%exeName% /D_DEBUG /W3 /Zi /nologo /EHsc /link /NODEFAULTLIB:libucrt libucrtd.lib
+call timecmd cl ../src/main.cpp /std:c++latest /Fe%exeName% /W3 /Zi /nologo /EHsc /link /NODEFAULTLIB:libucrt libucrtd.lib
 
 if %errorlevel% == 0 (
    echo.
    echo Done
+   echo.
+   call timecmd slime.exe --run-tests
 ) else (
   echo.
   echo Fuckin' ell

src/memory.cpp

@@ -93,6 +93,7 @@ namespace Memory {
         }
         Lisp_Object* object = object_memory+index;
         object->sourceCodeLocation = nullptr;
+        object->userType = nullptr;
         return object;
     }