diff --git a/other/create_deb.sh b/other/create_deb.sh
new file mode 100755
index 0000000..7efbd9c
--- /dev/null
+++ b/other/create_deb.sh
@@ -0,0 +1,51 @@
+#!/bin/bash
+
+EXPECTED_ARGS=1
+E_BADARGS=65
+
+if [ $# -ne $EXPECTED_ARGS ]
+then
+  echo "Usage: `basename $0` <path to qtmindmap source>"
+  exit $E_BADARGS
+fi
+
+srcdir=$1
+packagedir="/tmp/qtmindmap-0.2"
+tempdir="/tmp/qtmindmap-build"
+currdir=`pwd`
+
+
+# compile
+rm -rf $tempdir
+mkdir $tempdir
+cd $tempdir
+qmake $srcdir/qtmindmap.pro
+make
+
+#copy
+rm -rf $packagedir
+mkdir -p $packagedir/usr/bin
+mkdir -p $packagedir/usr/share/applications
+mkdir -p $packagedir/usr/share/pixmaps
+mkdir -p $packagedir/usr/share/qtmindmap/i18n
+
+cp $tempdir/qtmindmap $packagedir/usr/bin/
+cp $srcdir/other/qtmindmap.desktop $packagedir/usr/share/applications/
+cp $srcdir/images/qtmindmap.svg $packagedir/usr/share/pixmaps/
+cp $tempdir/.qm/i18n/*.qm $packagedir/usr/share/qtmindmap/i18n/
+
+#package
+mkdir $packagedir/DEBIAN/
+
+echo "Package: qtmindmap
+Version: 0.2
+Section: base
+Priority: optional
+Architecture: all
+Depends: qt (>= 4.5)
+Maintainer: Dénes Mátételki <denes.matetelki@gmial.com>
+Homepage: https://gitorious.org/qtmindmap
+Description: Mindmap software in Qt." > $packagedir/DEBIAN/control
+
+cd $currdir
+dpkg --build $packagedir
diff --git a/src/commands.cpp b/src/commands.cpp
index 9c50744..e268e93 100644
--- a/src/commands.cpp
+++ b/src/commands.cpp
@@ -4,6 +4,20 @@
 
 #include <math.h>
 
+
+
+const char* NoActiveNodeException::what() const throw()
+{
+    return QObject::tr("No active node.").toStdString().c_str();
+}
+
+const char* CannotPlaceNewNodeException::what() const throw()
+{
+    return QObject::tr("New node would be placed outside of the scene.").
+            toStdString().c_str();
+}
+
+
 InsertNodeCommand::InsertNodeCommand(GraphLogic *graphLogic)
     : m_graphLogic(graphLogic)
     , m_node(0)