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diff --git a/lang/qt/src/stl_util.h b/lang/qt/src/stl_util.h
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+/****************************************************************************
+** Copyright (C) 2001-2007 Klarälvdalens Datakonsult AB
+    Copyright (c) 2016 Intevation GmbH.  All rights reserved.
+**
+** This file is part of the KD Tools library.
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.
+**
+** Licensees holding valid commercial KD Tools licenses may use this file in
+** accordance with the KD Tools Commercial License Agreement provided with
+** the Software.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+** Contact [email protected] if any conditions of this
+** licensing are not clear to you.
+**
+**********************************************************************/
+#ifndef __KDTOOLSCORE_STL_UTIL_H__
+#define __KDTOOLSCORE_STL_UTIL_H__
+
+#include <boost/range.hpp>
+#include <boost/iterator/filter_iterator.hpp>
+#include <boost/iterator/transform_iterator.hpp>
+#include <boost/call_traits.hpp>
+#include <boost/version.hpp>
+
+#include <algorithm>
+#include <numeric>
+#include <utility>
+#include <iterator>
+#include <functional>
+
+namespace kdtools
+{
+
+struct nodelete {
+    template <typename T>
+    void operator()(const T *) const {}
+};
+
+struct identity {
+    template <typename T>
+    T *operator()(T *t) const
+    {
+        return t;
+    }
+    template <typename T>
+    const T *operator()(const T *t) const
+    {
+        return t;
+    }
+    template <typename T>
+    T &operator()(T &t) const
+    {
+        return t;
+    }
+    template <typename T>
+    const T &operator()(const T &t) const
+    {
+        return t;
+    }
+};
+
+template <typename Pair>
+struct select1st;
+
+template <typename U, typename V>
+struct select1st< std::pair<U, V> >
+    : std::unary_function<std::pair<U, V>, U> {
+    typename boost::call_traits<U>::param_type
+    operator()(const std::pair<U, V> &pair) const
+    {
+        return pair.first;
+    }
+};
+
+template <typename Pair>
+struct select2nd;
+
+template <typename U, typename V>
+struct select2nd< std::pair<U, V> >
+    : std::unary_function<std::pair<U, V>, V> {
+    typename boost::call_traits<V>::param_type
+    operator()(const std::pair<U, V> &pair) const
+    {
+        return pair.second;
+    }
+};
+
+template <typename InputIterator, typename OutputIterator, typename UnaryPredicate>
+OutputIterator copy_if(InputIterator first, InputIterator last, OutputIterator dest, UnaryPredicate pred)
+{
+    while (first != last) {
+        if (pred(*first)) {
+            *dest = *first;
+            ++dest;
+        }
+        ++first;
+    }
+    return dest;
+}
+
+template <typename OutputIterator, typename InputIterator, typename UnaryFunction, typename UnaryPredicate>
+OutputIterator transform_if(InputIterator first, InputIterator last, OutputIterator dest, UnaryPredicate pred, UnaryFunction filter)
+{
+    return std::transform(boost::make_filter_iterator(filter, first, last),
+                          boost::make_filter_iterator(filter, last,  last),
+                          dest, pred);
+}
+
+template <typename InputIterator, typename OutputIterator>
+OutputIterator copy_1st(InputIterator first, InputIterator last, OutputIterator dest)
+{
+    return std::copy(boost::make_transform_iterator(first, select1st<typename std::iterator_traits<InputIterator>::value_type>()),
+                     boost::make_transform_iterator(last,  select1st<typename std::iterator_traits<InputIterator>::value_type>()),
+                     dest);
+}
+
+template <typename InputIterator, typename OutputIterator>
+OutputIterator copy_2nd(InputIterator first, InputIterator last, OutputIterator dest)
+{
+    return std::copy(boost::make_transform_iterator(first, select2nd<typename std::iterator_traits<InputIterator>::value_type>()),
+                     boost::make_transform_iterator(last,  select2nd<typename std::iterator_traits<InputIterator>::value_type>()),
+                     dest);
+}
+
+template <typename InputIterator, typename OutputIterator, typename Predicate>
+OutputIterator copy_1st_if(InputIterator first, InputIterator last, OutputIterator dest, Predicate pred)
+{
+    return kdtools::copy_if(boost::make_transform_iterator(first, select1st<typename std::iterator_traits<InputIterator>::value_type>()),
+                            boost::make_transform_iterator(last,  select1st<typename std::iterator_traits<InputIterator>::value_type>()),
+                            dest, pred);
+}
+
+template <typename InputIterator, typename OutputIterator, typename Predicate>
+OutputIterator copy_2nd_if(InputIterator first, InputIterator last, OutputIterator dest, Predicate pred)
+{
+    return kdtools::copy_if(boost::make_transform_iterator(first, select2nd<typename std::iterator_traits<InputIterator>::value_type>()),
+                            boost::make_transform_iterator(last,  select2nd<typename std::iterator_traits<InputIterator>::value_type>()),
+                            dest, pred);
+}
+
+template <typename OutputIterator, typename InputIterator, typename UnaryFunction>
+OutputIterator transform_1st(InputIterator first, InputIterator last, OutputIterator dest, UnaryFunction func)
+{
+    return std::transform(boost::make_transform_iterator(first, select1st<typename std::iterator_traits<InputIterator>::value_type>()),
+                          boost::make_transform_iterator(last,  select1st<typename std::iterator_traits<InputIterator>::value_type>()),
+                          dest, func);
+}
+
+template <typename OutputIterator, typename InputIterator, typename UnaryFunction>
+OutputIterator transform_2nd(InputIterator first, InputIterator last, OutputIterator dest, UnaryFunction func)
+{
+    return std::transform(boost::make_transform_iterator(first, select2nd<typename std::iterator_traits<InputIterator>::value_type>()),
+                          boost::make_transform_iterator(last,  select2nd<typename std::iterator_traits<InputIterator>::value_type>()),
+                          dest, func);
+}
+
+template <typename Value, typename InputIterator, typename UnaryPredicate>
+Value accumulate_if(InputIterator first, InputIterator last, UnaryPredicate filter, const Value &value = Value())
+{
+    return std::accumulate(boost::make_filter_iterator(filter, first, last),
+                           boost::make_filter_iterator(filter, last,  last), value);
+}
+
+template <typename Value, typename InputIterator, typename UnaryPredicate, typename BinaryOperation>
+Value accumulate_if(InputIterator first, InputIterator last, UnaryPredicate filter, const Value &value, BinaryOperation op)
+{
+    return std::accumulate(boost::make_filter_iterator(filter, first, last),
+                           boost::make_filter_iterator(filter, last,  last), value, op);
+}
+
+template <typename Value, typename InputIterator, typename UnaryFunction>
+Value accumulate_transform(InputIterator first, InputIterator last, UnaryFunction map, const Value &value = Value())
+{
+    return std::accumulate(boost::make_transform_iterator(first, map),
+                           boost::make_transform_iterator(last, map), value);
+}
+
+template <typename Value, typename InputIterator, typename UnaryFunction, typename BinaryOperation>
+Value accumulate_transform(InputIterator first, InputIterator last, UnaryFunction map, const Value &value, BinaryOperation op)
+{
+    return std::accumulate(boost::make_transform_iterator(first, map),
+                           boost::make_transform_iterator(last, map), value, op);
+}
+
+template <typename Value, typename InputIterator, typename UnaryFunction, typename UnaryPredicate>
+Value accumulate_transform_if(InputIterator first, InputIterator last, UnaryFunction map, UnaryPredicate pred, const Value &value = Value())
+{
+    return std::accumulate(boost::make_transform_iterator(first, map),
+                           boost::make_transform_iterator(last, map), value);
+}
+
+template <typename Value, typename InputIterator, typename UnaryFunction, typename UnaryPredicate, typename BinaryOperation>
+Value accumulate_transform_if(InputIterator first, InputIterator last, UnaryFunction map, UnaryPredicate filter, const Value &value, BinaryOperation op)
+{
+    return std::accumulate(boost::make_transform_iterator(boost::make_filter_iterator(filter, first, last), map),
+                           boost::make_transform_iterator(boost::make_filter_iterator(filter, last, last), map), value, op);
+}
+
+template <typename InputIterator, typename OutputIterator1, typename OutputIterator2, typename UnaryPredicate>
+std::pair<OutputIterator1, OutputIterator2> separate_if(InputIterator first, InputIterator last, OutputIterator1 dest1, OutputIterator2 dest2, UnaryPredicate pred)
+{
+    while (first != last) {
+        if (pred(*first)) {
+            *dest1 = *first;
+            ++dest1;
+        } else {
+            *dest2 = *first;
+            ++dest2;
+        }
+        ++first;
+    }
+    return std::make_pair(dest1, dest2);
+}
+
+template <typename InputIterator>
+bool any(InputIterator first, InputIterator last)
+{
+    while (first != last)
+        if (*first) {
+            return true;
+        } else {
+            ++first;
+        }
+    return false;
+}
+
+template <typename InputIterator, typename UnaryPredicate>
+bool any(InputIterator first, InputIterator last, UnaryPredicate pred)
+{
+    while (first != last)
+        if (pred(*first)) {
+            return true;
+        } else {
+            ++first;
+        }
+    return false;
+}
+
+template <typename InputIterator>
+bool all(InputIterator first, InputIterator last)
+{
+    while (first != last)
+        if (*first) {
+            ++first;
+        } else {
+            return false;
+        }
+    return true;
+}
+
+template <typename InputIterator, typename UnaryPredicate>
+bool all(InputIterator first, InputIterator last, UnaryPredicate pred)
+{
+    while (first != last)
+        if (pred(*first)) {
+            ++first;
+        } else {
+            return false;
+        }
+    return true;
+}
+
+template <typename InputIterator>
+bool none_of(InputIterator first, InputIterator last)
+{
+    return !any(first, last);
+}
+
+template <typename InputIterator, typename UnaryPredicate>
+bool none_of(InputIterator first, InputIterator last, UnaryPredicate pred)
+{
+    return !any(first, last, pred);
+}
+
+template <typename InputIterator, typename BinaryOperation>
+BinaryOperation for_each_adjacent_pair(InputIterator first, InputIterator last, BinaryOperation op)
+{
+    typedef typename std::iterator_traits<InputIterator>::value_type ValueType;
+    if (first == last) {
+        return op;
+    }
+    ValueType value = *first;
+    while (++first != last) {
+        ValueType tmp = *first;
+        op(value, tmp);
+        value = tmp;
+    }
+    return op;
+}
+
+template <typename ForwardIterator, typename UnaryPredicate, typename UnaryFunction>
+UnaryFunction for_each_if(ForwardIterator first, ForwardIterator last, UnaryPredicate pred, UnaryFunction func)
+{
+    return std::for_each(boost::make_filter_iterator(pred, first, last),
+                         boost::make_filter_iterator(pred, last, last),
+                         func);
+}
+
+//@{
+/**
+   Versions of std::set_intersection optimized for ForwardIterator's
+*/
+template <typename ForwardIterator, typename ForwardIterator2, typename OutputIterator, typename BinaryPredicate>
+OutputIterator set_intersection(ForwardIterator first1, ForwardIterator last1, ForwardIterator2 first2, ForwardIterator2 last2, OutputIterator result)
+{
+    while (first1 != last1 && first2 != last2) {
+        if (*first1 < *first2) {
+            first1 = std::lower_bound(++first1, last1, *first2);
+        } else if (*first2 < *first1) {
+            first2 = std::lower_bound(++first2, last2, *first1);
+        } else {
+            *result = *first1;
+            ++first1;
+            ++first2;
+            ++result;
+        }
+    }
+    return result;
+}
+
+template <typename ForwardIterator, typename ForwardIterator2, typename OutputIterator, typename BinaryPredicate>
+OutputIterator set_intersection(ForwardIterator first1, ForwardIterator last1, ForwardIterator2 first2, ForwardIterator2 last2, OutputIterator result, BinaryPredicate pred)
+{
+    while (first1 != last1 && first2 != last2) {
+        if (pred(*first1, *first2)) {
+            first1 = std::lower_bound(++first1, last1, *first2, pred);
+        } else if (pred(*first2, *first1)) {
+            first2 = std::lower_bound(++first2, last2, *first1, pred);
+        } else {
+            *result = *first1;
+            ++first1;
+            ++first2;
+            ++result;
+        }
+    }
+    return result;
+}
+//@}
+
+template <typename ForwardIterator, typename ForwardIterator2, typename BinaryPredicate>
+bool set_intersects(ForwardIterator first1,  ForwardIterator last1,
+                    ForwardIterator2 first2, ForwardIterator2 last2,
+                    BinaryPredicate pred)
+{
+    while (first1 != last1 && first2 != last2) {
+        if (pred(*first1, *first2)) {
+            first1 = std::lower_bound(++first1, last1, *first2, pred);
+        } else if (pred(*first2, *first1)) {
+            first2 = std::lower_bound(++first2, last2, *first1, pred);
+        } else {
+            return true;
+        }
+    }
+    return false;
+}
+
+//@{
+/*! Versions of std algorithms that take ranges */
+
+template <typename C, typename V>
+typename boost::range_iterator<C>::type
+find(C &c, const V &v)
+{
+    return std::find(boost::begin(c), boost::end(c), v);
+}
+
+#if BOOST_VERSION < 103500
+template <typename C, typename V>
+typename boost::range_const_iterator<C>::type
+find(const C &c, const V &v)
+{
+    return std::find(boost::begin(c), boost::end(c), v);
+}
+#endif
+
+template <typename C, typename P>
+typename boost::range_iterator<C>::type
+find_if(C &c, P p)
+{
+    return std::find_if(boost::begin(c), boost::end(c), p);
+}
+
+#if BOOST_VERSION < 103500
+template <typename C, typename P>
+typename boost::range_const_iterator<C>::type
+find_if(const C &c, P p)
+{
+    return std::find_if(boost::begin(c), boost::end(c), p);
+}
+#endif
+
+template <typename C, typename V>
+bool contains(const C &c, const V &v)
+{
+    return find(c, v) != boost::end(c);
+}
+
+template <typename C, typename P>
+bool contains_if(const C &c, P p)
+{
+    return find_if(c, p) != boost::end(c);
+}
+
+template <typename C, typename V>
+bool binary_search(const C &c, const V &v)
+{
+    return std::binary_search(boost::begin(c), boost::end(c), v);
+}
+
+template <typename C, typename V>
+size_t count(const C &c, const V &v)
+{
+    return std::count(boost::begin(c), boost::end(c), v);
+}
+
+template <typename C, typename P>
+size_t count_if(const C &c, P p)
+{
+    return std::count_if(boost::begin(c), boost::end(c), p);
+}
+
+template <typename O, typename I, typename P>
+O transform(const I &i, P p)
+{
+    O o;
+    std::transform(boost::begin(i), boost::end(i),
+                   std::back_inserter(o), p);
+    return o;
+}
+
+template <typename I, typename OutputIterator, typename P>
+OutputIterator transform(const I &i, OutputIterator out, P p)
+{
+    return std::transform(boost::begin(i), boost::end(i), out, p);
+}
+
+template <typename O, typename I, typename P, typename F>
+O transform_if(const I &i, P p, F f)
+{
+    O o;
+    transform_if(boost::begin(i), boost::end(i),
+                 std::back_inserter(o), p, f);
+    return o;
+}
+
+template <typename V, typename I, typename F>
+V accumulate_if(const I &i, F f, V v = V())
+{
+    return accumulate_if(boost::begin(i), boost::end(i), f, v);
+}
+
+template <typename V, typename I, typename F, typename B>
+V accumulate_if(const I &i, F f, V v, B b)
+{
+    return accumulate_if(boost::begin(i), boost::end(i), f, v, b);
+}
+
+template <typename V, typename I, typename F>
+V accumulate_transform(const I &i, F f, V v = V())
+{
+    return accumulate_transform(boost::begin(i), boost::end(i), f, v);
+}
+
+template <typename V, typename I, typename F, typename B>
+V accumulate_transform(const I &i, F f, V v, B b)
+{
+    return accumulate_transform(boost::begin(i), boost::end(i), f, v, b);
+}
+
+template <typename V, typename I, typename F, typename P>
+V accumulate_transform_if(const I &i, F f, P p, V v = V())
+{
+    return accumulate_transform_if(boost::begin(i), boost::end(i), f, p, v);
+}
+
+template <typename V, typename I, typename F, typename P, typename B>
+V accumulate_transform_if(const I &i, F f, P p, V v, B b)
+{
+    return accumulate_transform_if(boost::begin(i), boost::end(i), f, p, v, b);
+}
+
+template <typename O, typename I>
+O copy(const I &i)
+{
+    O o;
+    std::copy(boost::begin(i), boost::end(i), std::back_inserter(o));
+    return o;
+}
+
+template <typename O, typename I, typename P>
+O copy_if(const I &i, P p)
+{
+    O o;
+    kdtools::copy_if(boost::begin(i), boost::end(i), std::back_inserter(o), p);
+    return o;
+}
+
+template <typename I, typename P>
+P for_each(const I &i, P p)
+{
+    return std::for_each(boost::begin(i), boost::end(i), p);
+}
+
+template <typename I, typename P>
+P for_each(I &i, P p)
+{
+    return std::for_each(boost::begin(i), boost::end(i), p);
+}
+
+template <typename C1, typename C2>
+bool equal(const C1 &c1, const C2 &c2)
+{
+    return boost::size(c1) == boost::size(c2)
+           && std::equal(boost::begin(c1), boost::end(c1),
+                         boost::begin(c2));
+}
+
+template <typename C1, typename C2, typename P>
+bool equal(const C1 &c1, const C2 &c2, P p)
+{
+    return boost::size(c1) == boost::size(c2)
+           && std::equal(boost::begin(c1), boost::end(c1),
+                         boost::begin(c2), p);
+}
+
+template <typename C, typename O1, typename O2, typename P>
+std::pair<O1, O2> separate_if(const C &c, O1 o1, O2 o2, P p)
+{
+    return separate_if(boost::begin(c), boost::end(c), o1, o2, p);
+}
+
+//@}
+
+template <typename C>
+bool any(const C &c)
+{
+    return any(boost::begin(c), boost::end(c));
+}
+
+template <typename C, typename P>
+bool any(const C &c, P p)
+{
+    return any(boost::begin(c), boost::end(c), p);
+}
+
+template <typename C>
+bool all(const C &c)
+{
+    return all(boost::begin(c), boost::end(c));
+}
+
+template <typename C, typename P>
+bool all(const C &c, P p)
+{
+    return all(boost::begin(c), boost::end(c), p);
+}
+
+template <typename C>
+bool none_of(const C &c)
+{
+    return none_of(boost::begin(c), boost::end(c));
+}
+
+template <typename C, typename P>
+bool none_of(const C &c, P p)
+{
+    return kdtools::none_of(boost::begin(c), boost::end(c), p);
+}
+
+template <typename C, typename B>
+B for_each_adjacent_pair(const C &c, B b)
+{
+    return for_each_adjacent_pair(boost::begin(c), boost::end(c), b);
+}
+
+template <typename C, typename B>
+B for_each_adjacent_pair(C &c, B b)
+{
+    return for_each_adjacent_pair(boost::begin(c), boost::end(c), b);
+}
+
+template <typename C, typename P, typename F>
+P for_each_if(const C &c, P p, F f)
+{
+    return for_each_if(boost::begin(c), boost::end(c), p, f);
+}
+
+template <typename C, typename P, typename F>
+P for_each_if(C &c, P p, F f)
+{
+    return for_each_if(boost::begin(c), boost::end(c), p, f);
+}
+
+template <typename C>
+void sort(C &c)
+{
+    return std::sort(boost::begin(c), boost::end(c));
+}
+
+template <typename C, typename P>
+void sort(C &c, P p)
+{
+    return std::sort(boost::begin(c), boost::end(c), p);
+}
+
+template <typename C>
+C sorted(const C &c)
+{
+    C copy(c);
+    kdtools::sort(copy);
+    return copy;
+}
+
+template <typename C, typename P>
+C sorted(const C &c, P p)
+{
+    C copy(c);
+    kdtools::sort(copy, p);
+    return copy;
+}
+
+}
+
+#endif /* __KDTOOLSCORE_STL_UTIL_H__ */