Avoid passing FILE* to python (fixes #185)

See issue 185 for discussion.

Libs/Scripting/Python/Core/ctkAbstractPythonManager.cpp

@@ -250,7 +250,7 @@ void ctkAbstractPythonManager::executeFile(const QString& filename)
     {
     QString path = QFileInfo(filename).absolutePath();
     this->executeString(QString("import sys\nsys.path.insert(0, '%1')").arg(path));
-    main.evalFile(filename);
+    this->executeString(QString("execfile('%1')").arg(filename));
     this->executeString(QString("import sys\nif sys.path[0] == '%1': sys.path.pop(0)").arg(path));
     }
 }