Added config() to QgsEditorWidgetWrapper SIP wrapper

Author: elpaso

python/gui/editorwidgets/core/qgseditorwidgetwrapper.sip

@@ -16,6 +16,7 @@
 class QgsEditorWidgetWrapper : QObject
 {
 %TypeHeaderCode
+#include <qgseditorwidgetconfig.h>
 #include <qgseditorwidgetwrapper.h>
 %End
 
@@ -32,7 +33,31 @@ class QgsEditorWidgetWrapper : QObject
 
     QWidget* widget();
     virtual void setConfig( QMap<QString, QVariant> config );
-    QVariant config( QString key );
+
+    /**
+     * Use this to access the configuration.
+     *
+     * @param key         The configuration option you want to load
+     * @param defaultVal  Default value
+     *
+     * @return the value assigned to this configuration option
+     */
+    QVariant config( const QString& key, const QVariant& defaultVal = QVariant() );
+
+    /**
+     * Returns the whole config
+     *
+     * @return The configuration
+     */
+    const QgsEditorWidgetConfig config();
+
+    /**
+     * Access the QgsVectorLayer, you are working on
+     *
+     * @return The layer
+     *
+     * @see field()
+     */
     QgsVectorLayer* layer();
 
     /**