More robust logging for BDSS

Created by: stefanoborini

Various fixes here and there to add more exception handling and better log messages

force_bdss/tests/test_core_mco_driver.py

@@ -175,4 +175,3 @@ class TestCoreMCODriver(unittest.TestCase):
                            "'force.bdss.enthought.plugin.test.v0'. "
                            "An exception was raised. This might "
                            'indicate a programming error in the plugin.'),)
-