Code tidy.

deploy.php

locallib.php

stack/answertest/anstest.class.php

stack/answertest/at_general_cas.class.php

stack/answertest/atdecplaces.class.php

stack/answertest/atnumsigfigs.class.php

stack/answertest/atregexp.class.php

stack/answertest/atstring.class.php

stack/answertest/controller.class.php

stack/answertest/stringsloppy.class.php

stack/cas/cassession.class.php

stack/cas/casstring.class.php

stack/cas/casstring.units.class.php

stack/cas/castext.class.php

stack/cas/connector.class.php

stack/cas/connector.dbcache.class.php

stack/cas/connector.interface.php

stack/cas/connector.server.class.php

stack/cas/connector.unix.class.php

stack/cas/connector.windows.class.php