Created utils method to syslog warning messages.
Updated add_connection to return nil instead of returning connection values.
Updated tests to deal with add_connection return value change.
Added test case for bad conf file and empty conf file.
Added test case to verify EAPI_CONF path is used.
Fixes issue #82
Created utils method to syslog warning messages. Updated add_connection to return nil instead of returning connection values. Updated tests to deal with add_connection return value change. Added test case for bad conf file and empty conf file. Added test case to verify EAPI_CONF path is used. Fixes issue #82