v0.3.1: Merge pull request #201 from datanel/sanitize-transfers

• remove orphan transfers

v0.3.0: Merge pull request #196 from papailio/write_fares

• feature: Restrict validity period #188
• feature: Manage property rules for routes #191
• doc: read/write NTFS fares and read Syntus fares #198, #197, #196, #192
• feature: NTFS feed infos enrichment #194

v0.2.0: Merge pull request #193 from nberard/add-clone-derive-for-collection-…

…stop-route-line

add clone possibility for CollectionWithId<Line, StopPoint, Route>

first release

Merge pull request #185 from datanel/display

Use Display instead of ToString