Overhaul of tangible/blueprint animation interface

Source/Integration/StringDecoder.h

@@ -70,6 +70,16 @@ public:
 	//
 	FlxStringDecoder(std::string_view s);
 
+	// Get the remaining text as a string_view.
+	//
+	std::string_view GetRest();
+
+	// Reinitialize with a new string_view.
+	//
+	// If clear is true, clears the error flags.
+	//
+	void Reset(std::string_view s, bool clear);
+
 	// Get the size of the remaining text.
 	//
 	size_t get_size() { return Size; }
@@ -82,6 +92,7 @@ public:
 	// 
 	void set_at_eof();
 
+
 	// Read a string as a string_view
 	//
 	// This reads a string from the source, returning