More fixes to optiomal node search.

Support for replying to UTF-8 chat messages.
Minor refactoring.

include/crlib/cr-platform.h

@@ -69,6 +69,7 @@ CR_NAMESPACE_END
 #endif
 
 #include <assert.h>
+#include <locale.h>
 
 #if defined (CR_ANDROID)
 #  include <android/log.h>
@@ -78,6 +79,12 @@ CR_NAMESPACE_BEGIN
 
 // helper struct for platform detection
 struct Platform : public Singleton <Platform> {
+#if defined (CR_WINDOWS)
+   using LocaleHandle = _locale_t;
+#else
+   using LocaleHandle = locale_t;
+#endif
+
    bool isWindows = false;
    bool isLinux = false;
    bool isOSX = false;
@@ -193,7 +200,6 @@ struct Platform : public Singleton <Platform> {
 #endif
       ::abort ();
    }
-
 };
 
 // expose platform singleton