modify the creation of add and remove methods for sync process

src/main/scala/org/rosi_project/model_sync/generator/sync/SyncEnhancingVisitor.scala

@@ -36,7 +36,7 @@ class SyncEnhancingVisitor() extends SModelVisitor {
   }
 
   override def visit(sMethod: SMethod): Unit = {
-    extractSetterAttr(sMethod).foreach(attr => sMethod.augmentImplementation(SMethodStatement(s"+this $attr ()")))
+    extractSetterAttr(sMethod).foreach(attr => sMethod.augmentImplementation(SMethodStatement(s"+this $attr")))
   }
 
   override def visit(sType: SType): Unit = {
@@ -60,11 +60,11 @@ class SyncEnhancingVisitor() extends SModelVisitor {
   private def extractSetterAttr(sMethod: SMethod): Option[String] = {
     sMethod.getName match {
       case SyncEnhancingVisitor.Setter(attrName) =>
-        Option("set" + attrName)
+        Option("set" + attrName + " ()")
       case SyncEnhancingVisitor.Adder(attrName) =>
-        Option("add" + attrName)
+        Option("add" + attrName + s" (${attrName.charAt(0).toLower})")
       case SyncEnhancingVisitor.Remover(attrName) =>
-        Option("remove" + attrName)
+        Option("remove" + attrName + s" (${attrName.charAt(0).toLower})")
       case _ =>
         None
     }