Updated server.py
Merge branch 'master' of https://github.com/admoore9/ToDo.React into serverstuff
Added put handling
Remove mockup.html
Added put support
Merge branch 'serverstuff' of https://github.com/admoore9/ToDo.React into serverstuff
Fixed save feature
Set task_id as a global and update it based on the task list length
Change wording of saving an edited task
Fixed POST stale file issue
Sort lists based on due date
Use empty JSON file