Converts from wstring to regular string.

Cleans up empty test suites to return no tests instead of a single pass.

sbf-cpp/Character_test.cpp

@@ -4,7 +4,7 @@ using namespace SBF;
 using namespace Test;
 
 TestResults main_test_Character(int argc, char** argv) {
-    TestResults results = TestResults().pass();
+    TestResults results;
     
     return results;
 }