Reduced the number of explicit retain/release method calls on love objects. Less chance of bugs!

src/modules/sound/lullaby/Decoder.cpp

@@ -37,7 +37,6 @@ Decoder::Decoder(Data *data, const std::string &ext, int bufferSize)
 	, buffer(0)
 	, eof(false)
 {
-	data->retain();
 	buffer = new char[bufferSize];
 }
 
@@ -45,8 +44,6 @@ Decoder::~Decoder()
 {
 	if (buffer != 0)
 		delete [](char *) buffer;
-	if (data != 0)
-		data->release();
 }
 
 void *Decoder::getBuffer() const

src/modules/sound/lullaby/Decoder.h

@@ -53,7 +53,7 @@ protected:
 
 	// The encoded data. This should be replaced with buffered file
 	// reads in the future.
-	Data *data;
+	Object::StrongRef<Data> data;
 
 	// File extension.
 	std::string ext;

src/modules/sound/lullaby/FLACDecoder.cpp

@@ -69,7 +69,7 @@ bool FLACDecoder::accepts(const std::string &ext)
 
 love::sound::Decoder *FLACDecoder::clone()
 {
-	return new FLACDecoder(data, ext, bufferSize, sampleRate);
+	return new FLACDecoder(data.get(), ext, bufferSize, sampleRate);
 }
 
 int FLACDecoder::decode()

src/modules/sound/lullaby/GmeDecoder.cpp

@@ -86,7 +86,7 @@ bool GmeDecoder::accepts(const std::string &ext)
 
 love::sound::Decoder *GmeDecoder::clone()
 {
-	return new GmeDecoder(data, ext, bufferSize);
+	return new GmeDecoder(data.get(), ext, bufferSize);
 }
 
 int GmeDecoder::decode()

src/modules/sound/lullaby/ModPlugDecoder.cpp

@@ -98,7 +98,7 @@ bool ModPlugDecoder::accepts(const std::string &ext)
 
 love::sound::Decoder *ModPlugDecoder::clone()
 {
-	return new ModPlugDecoder(data, ext, bufferSize);
+	return new ModPlugDecoder(data.get(), ext, bufferSize);
 }
 
 int ModPlugDecoder::decode()

src/modules/sound/lullaby/Mpg123Decoder.cpp

@@ -96,7 +96,7 @@ void Mpg123Decoder::quit()
 
 love::sound::Decoder *Mpg123Decoder::clone()
 {
-	return new Mpg123Decoder(data, ext, bufferSize);
+	return new Mpg123Decoder(data.get(), ext, bufferSize);
 }
 
 int Mpg123Decoder::decode()

src/modules/sound/lullaby/VorbisDecoder.cpp

@@ -179,7 +179,7 @@ bool VorbisDecoder::accepts(const std::string &ext)
 
 love::sound::Decoder *VorbisDecoder::clone()
 {
-	return new VorbisDecoder(data, ext, bufferSize);
+	return new VorbisDecoder(data.get(), ext, bufferSize);
 }
 
 int VorbisDecoder::decode()

src/modules/sound/lullaby/WaveDecoder.cpp

@@ -117,7 +117,7 @@ bool WaveDecoder::accepts(const std::string &ext)
 
 love::sound::Decoder *WaveDecoder::clone()
 {
-	return new WaveDecoder(data, ext, bufferSize);
+	return new WaveDecoder(data.get(), ext, bufferSize);
 }
 
 int WaveDecoder::decode()