[TASK] create task, subtask unit tests
[TASK] create task datum connection
[TASK] finish task update functionality
[TASK] finish task delete functionality
Merge branch 'feature_todolist' of https://github.com/pukoo/kalender into feature_todolist
[BUGFIX] fix show_day with given string or wrong day params
[FEATURE] add task controller/view functionality
Merge branch 'master' of https://github.com/pukoo/kalender into feature_todolist