V0.40a Bug fixes

Reprise projet suite changement de PC, fix problème de démarrage sans base.
Fix isochrones.

V0.40 Chat in Routeur

Add Chat feature to routeur

V0.39 Fixes coast and NSZ for routing

Restore coast detection, and fix NSZ detection not properly working.

Small performance imporvements for routing.

v0.38

Remove heavy multi-threading to improve performance.
Remove debug dialog

V0.37

Add NSZ display on Routeur's map