v1.12

Fix code problems adding user and add user rating score.

v1.11

Fix some errors and bugs, and add time-based and combo-based XP multipliers.

v1.10

Added migrations.

v1.9

Add due date XP multiplier feature.

v1.8

Add number of tasks completed in a day and update XP calculation.

v1.7

Add a daily streak feature with an XP multiplier based on the daily streak.

v1.6

Add XP multiplier based on number of active tasks (tasks that are not completed).

v1.5

Add an XP multiplier based on the number of tasks completed and a popup that shows the amount of XP earned when completing a task.

v1.4

Added recurring tasks with frequency and interval to repeat tasks.

v1.3

Add a method to delete the task.