Fix creation of new title sequence

src/title/TitleSequence.cpp

@@ -399,6 +399,9 @@ static utf8 * LegacyScriptWrite(TitleSequence * seq)
     utf8 buffer[128];
     auto sb = StringBuilder(128);
 
+    sb.Append("# SCRIPT FOR ");
+    sb.Append(seq->Name);
+    sb.Append("\n");
     for (size_t i = 0; i < seq->NumCommands; i++)
     {
         const TitleCommand * command = &seq->Commands[i];

src/title/TitleSequenceManager.cpp

@@ -164,7 +164,7 @@ namespace TitleSequenceManager
             SortSequences();
             index = FindItemIndexByPath(path);
         }
-        return success;
+        return index;
     }
 
     static const uint16 GetPredefinedIndex(const std::string &path)

src/title/TitleSequencePlayer.cpp

@@ -87,7 +87,7 @@ public:
         FixViewLocation();
 
         // Check that position is valid
-        if (_position > (sint32)_sequence->NumCommands)
+        if (_position >= (sint32)_sequence->NumCommands)
         {
             _position = 0;
             return false;