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

@@ -202,6 +202,3 @@ class TestCoreMCODriver(unittest.TestCase):
                            "'force.bdss.enthought.plugin.test.v0'"
                            " raised exception. This might indicate "
                            'a programming error in the plugin.'),)
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