Eval: search() returns none instead of false when element not found
Eval: split(), join(): change order of parameters
Eval: rename push() to append()
Eval: join() accepts list of strings to join
Adapt examples to new list functions
Eval: functions reverse() and range()
Eval: Docu: add link to 'list proposal' in OSM Wiki
Merge pull request #24 from plepe/eval-list-functions-24

Eval: Follow proposal for list functions

http://wiki.openstreetmap.org/wiki/MapCSS/0.2/Proposal_lists