Implement input name evaluation. Implement context state.

Assets/Cryville/Crtr/Judge.cs

@@ -50,7 +50,6 @@ namespace Cryville.Crtr {
 	public class JudgeDefinition {
 		public PdtExpression clip;
 		public PdtExpression input;
-		public Identifier InputName;
 		public PdtExpression hit;
 		public Identifier[] pass;
 		public Identifier miss;