v1.7.0

Added

• Support for (multiple) driver breaks at vehicle level (#186)
• Dependency to libasio, replacing boost/asio (#325)
• More details on features and workflow in README (#335)

Changed

• Switch to C++17 (#311)
• Use std::optional and drop dependency to boost/optional (#312)
• Refactor routing wrapper classes (#320)

Deprecated

• Steps job key is replaced by id for consistency with breaks

Removed

• Drop boost dependency (#325)

Fixed

• Erroneous call to TSP code with amount-less shipments (#333)
• Missing propagation of ealiest/latest dates in corner case (#339)