fixes #1122

core/Log.php

core/Log/APICall.php

core/Log/Error.php

core/Log/Exception.php

core/Log/Message.php

plugins/Actions/API.php

plugins/ExampleAPI/API.php

plugins/ExampleUI/API.php

plugins/Goals/API.php

plugins/Live/API.php

plugins/Provider/API.php

plugins/Provider/Provider.php

plugins/Referers/API.php

plugins/SitesManager/API.php

plugins/UserCountry/API.php

plugins/UserSettings/API.php

plugins/VisitFrequency/API.php

plugins/VisitTime/API.php

plugins/VisitorInterest/API.php

plugins/VisitorInterest/VisitorInterest.php