Improved Onestop ID creation and validation
Improved Onestop ID creation and validation

OnestopID initializer arguments 'geohash' and 'name' will be filtered
for valid characters, then the end result validated.

transitland/transitland-datastore,brechtvdv/transitland-datastore,transitland/transitland-datastore,transitland/transitland-datastore,brechtvdv/transitland-datastore,brechtvdv/transitland-datastore