First version getting data from yahoo finance
Improved documentation
Added a prefix parameter that makes possible to use proxies like https://github.com/Freeboard/thingproxy
Added isolate for concurrency to parse the json without blocking the main thread
Fixes on the http header
Improved documentation
DTO and DateTime in the package interface
refactor of the DTO interface to get more data
Update to use the yahoo finance API
Added timestamp filter to avoid getting all data if not necessary
Added functionality to persist data into a sembast cache
Improved package with more tests
Added validation to support datasources with errors Fixed average mix to take in account differences in the beggining of the timeframe
Fix path dependency error
Update versions of the dependencies
Added date to timestamp
Adjust prices using proportion between adj close and close
Recover from cache filtering by timestamp
Added support for weighted averages
Fixes on the weighted average