Add tasks for all the new languages

Task/Five-weekends/Harbour/five-weekends.harbour

@@ -0,0 +1,34 @@
+PROCEDURE Main()
+   LOCAL y, m, d, nFound, cNames, nTot := 0, nNotFives := 0
+   LOCAL aFounds := {}
+
+   SET DATE ANSI
+
+   FOR y := 1900 TO 2100
+      nFound := 0 ; cNames := ""
+      FOR m := 1 TO 12
+      d := CtoD( hb_NtoS( y ) +"/" + hb_NtoS( m ) + "/1" )
+         IF CDoW( d ) == "Friday"			
+	    IF DaysInMonth( m ) == 31
+	       nFound++
+	       cNames += CMonth( d ) + " "
+	    ENDIF
+         ENDIF
+      NEXT
+      IF nFound > 0
+         AAdd( aFounds, hb_NtoS( y ) + " : " + hb_NtoS( nFound ) + " ( " + Rtrim( cNames ) + " )" )
+         nTot += nFound
+      ELSE
+         nNotFives++
+      ENDIF
+   NEXT
+   ? "Total months with five weekends: " + hb_NtoS( nTot )
+   ? "(see bellow the first and last five years/months with five weekends)"
+   ?
+   AEval( aFounds, { | e, n | Iif( n < 6, Qout( e ), NIL ) } )
+   Qout("...")
+   AEval( aFounds, { | e, n | Iif( n > Len(aFounds)-5, Qout( e ), NIL ) } )
+   ?
+   ? "Years with no five weekends months: " + hb_NtoS( nNotFives )
+
+   RETURN