Release version 0.9.1

Note: Releases 0.9.x will be the last ones before OAuth 1.0a and Basic Auth will be removed.

Breaking changes

• Added support for brotli response body compression (#375)
• Drop support for staticxml backend in production code (#376)
• Require YAJL v2 in CMakeLists (#373)

Performance

• JSON generation
  • yajl: output json in larger chunks (#380)
  • json writer: fmt for formatting integer values (#390)
  • Reuse available string length (#385)
• SQL queries and libpqxx
  • Skip db query if no changesets were requested (#379)
  • libpqxx: cache column names (#383)
  • Skip changeset discussions unless requested (#388)
• Misc
  • Small performance improvements (#378)
  • Use emplace_back instead of push_back, remove unnecessary temp objects by @Woazboat (#389)

Refactoring

• CMake, code quality checks and third party libs management
  • Move modified libxml++ lib to contrib directory(#367)
  • Create separate cmake files for contrib libs by @Woazboat (#369)
  • Remove duplicated cmake test definition by @Woazboat (#370)
  • Remove unused catch2 automake reporter header file by @Woazboat (#371)
  • Integrate clang-tidy in cmake build by @Woazboat (#382)
• A bit of refactoring in XML / JSON writer (#366)
• Change some enums to enum class (#372)
• Minor router cleanups (#377)
• Some cleanups from @Woazboat psql-array-iterator branch (#384)
• Use raw string literal for bearer token regex by @Woazboat (#387)
• Use std::forward for forwarding references instead of std::move by @Woazboat (#386)
• pqxx::field wrapper for psql_array_to_vector (#391)

_{(changes by @mmd-osm unless stated otherwise)}

Full Changelog: v0.9.0...v0.9.1