Dukpital v.1.2.1

Mid release before v1.3

Here's a list of expected outputs per each Command:

• add patient: patient_name, patient_NRIC, patient_room, patient_remark
• add task: task_description
• assign deadline task: patient_name or #patient_id, task_name or #task_id, deadline
• assign event task: patient_name or #patient_id, task_name or #task_id, start_time, end_time
• delete patient: patient_name or #patient_id
• delete task: task_name or #task_id
• delete assigned task: patient_name or #patient_id, task_name or #task_id
• update patient: patient_name or #patient_id, field_to_change, updated_information
• update task: task_name or #task_id, updated_description
• find patient: patient_name or #patient_id
• find assigned task: patient_name or #patient_id