testing csv2xml, refs #21

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@15786 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
fixing enums and sort order in csv2xml

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@15787 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
making csv2xml a little bit more error resilient

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@15788 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
caching enums in csv2xml

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@15789 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
fixing more csv tests, refs #21

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@15790 29f149b2-0c63-11e1-8f5c-a347f6a9acd0