fixing options handling by the real spin dial, refs #1244

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@16230 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
locking breakpoint list correctly, refs #1244

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@16231 29f149b2-0c63-11e1-8f5c-a347f6a9acd0