* Add first working version of rapidjson_sax for partial tweets.
* Add cleaner and faster rapidjson_sax
* Add nlohmann_json_sax.
* Replace array of bool by bitsets.
* Replace strdup to copy string in rapidjson_sax.
* Change std::string_view assignment in rapidjson_sax.
* Add rapidjson_sax.h and fix typo in rapidjson.h
* Add nlohmann_json_sax.h and add user key check for screen_name in rapidjson_sax
* Change std::string_view assignement for text and screen_name.
* Add rapidjson_sax.h .
* Add nlohmann_json_sax.h . Fix typos distinct_user_id/nlohmann_json_sax.h, find_tweet/rapidjson.h and find_tweet/rapidjson_sax.h .
* Add extra check for id key when looking for find_id.
* Adding a distinct user id benchmark
* reenabling everything
* Removing an unnecessary "value()".
* Better tests of the examples and some fixes.
* Guarding exception code.