Report leaks to debugger in addition to stderr

This branch should also close #120.
diff --git a/include/internal/catch_default_main.hpp b/include/internal/catch_default_main.hpp
index 2a8b226..466efa4 100644
--- a/include/internal/catch_default_main.hpp
+++ b/include/internal/catch_default_main.hpp
@@ -21,7 +21,7 @@
     flag |= _CRTDBG_LEAK_CHECK_DF;
     flag |= _CRTDBG_ALLOC_MEM_DF;
     _CrtSetDbgFlag(flag);
-    _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
+    _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE | _CRTDBG_MODE_DEBUG);
     _CrtSetReportFile(_CRT_WARN, _CRTDBG_FILE_STDERR);
     // Change this to leaking allocation's number to break there
     _CrtSetBreakAlloc(-1);