return 0 à la fin, suppression du typeFunction dans la symTable, Appeal renomé en Call

src/main/java/TP2/asd/PrettyprinterVisitor.java

@@ -189,7 +189,7 @@ public class PrettyprinterVisitor implements    ProgramVisitor<String,String>,
     }
 
     @Override
-    public String visitAppeal(AppealImp instr,String indent){
+    public String visitCall(CallImp instr,String indent){
         String str = indent + instr.fName() + "(";
         for(int i=0; i<instr.params().size();i++){
             str += instr.params().get(i).accept(this, "");