Enhance the OSRM wrapper to work directly with strings
Enhance the OSRM wrapper to work directly with strings

or with the mode objects like before. This allows us to use it standalone (e.g.
in the evaluation code) as well.

e-mission/e-mission-server,e-mission/e-mission-server,shankari/e-mission-server,e-mission/e-mission-server,shankari/e-mission-server,shankari/e-mission-server,e-mission/e-mission-server,shankari/e-mission-server