Added a Python file called callsign_lookup.py, which will eventually be used for acquiring details about a particular callsign through the qrz.com database.

src/callsign_lookup.py

@@ -0,0 +1,26 @@
+#!/usr/bin/env python
+# File: callsign_lookup.py
+
+#    Copyright (C) 2013 Christian Jacobs.
+
+#    This file is part of PyQSO.
+
+#    PyQSO is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    PyQSO is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with PyQSO.  If not, see <http://www.gnu.org/licenses/>.
+
+from gi.repository import Gtk, GObject
+import logging
+
+# Uses qrz.com to lookup details about a particular callsign.
+
+