Draw Unicode Strings in 0.9.0

hello. i want to read file which containing UTF8 korean texts, and draw that strings.
with officially released 0.9.0 oF, it drawing ..., instead right strings contained.

so I googled. and find this thread below from github.

ofTrueTypeFont: add UTF8 support

I update ofTrueTypeFont.h/.cpp. and trying with updated new classe.
but i stucked.

this is error logs and the code I tried.

error

/home/icq4ever/Documents/oF/libs/openFrameworks/graphics/ofTrueTypeFont.h:126: error: ‘std::vector<ofUnicode::range> ofTtfSettings::ranges’ is private
  vector<ofUnicode::range> ranges;
                           ^

ofApp.cpp

void ofApp::setup(){
	ofTtfSettings settings("UnBatang.ttf", 14);
	settings.antialiased = true;
	settings.ranges ={            // error occured with this context
		ofUnicode::Latin1Supplement,
			ofUnicode::Hiragana,
			ofUnicode::Katakana,
			ofUnicode::CJKUnified
	};
	ofTrueTypeFont::setGlobalDpi(72);
	koPub.load(settings);
	koPub.setLineHeight(18.0f);
	koPub.setLetterSpacing(1.037);
}

is there anything I missed ?