0003513: There is no check for boundary of array in method Set for array attributes

- Added check of array's boundary in Set(i, val) methods.
- Added comments to cdl files.
- removed accidental modification in TDataStd_ExtStringArray::Value(i).
- recovering accidentally lost modifications.

src/TDataStd/TDataStd_BooleanArray.cdl

@@ -58,6 +58,7 @@ is
     	      index :Integer from Standard; 
     	      value : Boolean from Standard);
     ---Purpose: Sets the <Index>th element of the array to <Value>
+    -- OutOfRange exception is raised if <Index> doesn't respect Lower and Upper bounds of the internal  array.
 
     Value (me; 
     	   Index : Integer from Standard)