Adding pre and post execute for all the asynk tasks
Setting up a flag in case the api is already been called (Respecting the API limit)
Prepering to remove latest, today and near crises instances from crises stats
Fixing the storage and retrieving of latest, today and near crises.
Fix the showing of statistics infos on the main screen
Removing the pre and post execution in http helpers
Implementing the update everything flag
Adding a sleep of 1 sec before calling the updateEverything