add HighScore:GetGrade() Lua binding.

Docs/Changelog_sm-ssc.txt

@@ -9,6 +9,19 @@ Not all changes are documented, for various reasons.
 supported but exist anyways.)
 _____________________________________________________________________________
 
+20100619
+--------
+* [HighScore] add GetGrade() Lua binding.
+
+20100618
+--------
+* Allow RShift+Print Screen to take uncompressed screenshots.
+
+20100614
+--------
+* Attempt to fix screenshot numbering bug. Seems to work, if testing is
+  any indication.
+
 20100612
 --------
 * sm4svn r28359-r28364. [Chris Danford]

src/HighScore.cpp

@@ -143,7 +143,7 @@ void HighScoreImpl::LoadFromNode( const XNode *pNode )
 	pNode->GetChildValue( "LifeRemainingSeconds",	fLifeRemainingSeconds );
 	pNode->GetChildValue( "Disqualified",		bDisqualified);
 
-	/* Validate input. */
+	// Validate input.
 	grade = clamp( grade, Grade_Tier01, Grade_Failed );
 }
 
@@ -436,6 +436,7 @@ public:
 		rv.PushSelf(L);
 		return 1;
 	}
+	DEFINE_METHOD( GetGrade, GetGrade() )
 
 	LunaHighScore()
 	{
@@ -450,6 +451,7 @@ public:
 		ADD_METHOD( GetTapNoteScore );
 		ADD_METHOD( GetHoldNoteScore );
 		ADD_METHOD( GetRadarValues );
+		ADD_METHOD( GetGrade );
 	}
 };