Actually connect to a real debug server and add some basic debugging

UI is totally placeholder
Step over/step in are the only supported commands
Hardcoded launch config using a specific debug adapter that happened to
work
Adds a trivial log file hack and fixes the protocol handler for bytes

support/test/cpp/simple_c_program/test_c.cpp

@@ -0,0 +1,38 @@
+#include <iostream>
+
+namespace Test
+{
+  struct TestStruct
+  {
+    bool  isInt;
+
+    union {
+      int somethingInt;
+      char somethingChar;
+    } something;
+  };
+
+  TestStruct _t;
+
+  void bar( TestStruct b )
+  {
+    std::string s;
+    s += b.isInt ? b.something.somethingInt : b.something.somethingChar;
+    std::cout << s << '\n';
+  }
+
+  void foo( TestStruct m )
+  {
+    TestStruct t{ true, 11 };
+    bar( t );
+  }
+}
+
+
+int main ( int argc, char ** argv )
+{
+  int x{ 10 };
+
+  Test::TestStruct t{ true, 99 };
+  foo( t );
+}