Added ResponseParser
Added methods to CommandLineUI class
Added / Updated methods in CommandLineUI class
ical4j test class
Adjust gitignore
Update Task class
Added determineComponentType to StorageEngine
remove test database
Remove test database
Updated StorageEngine and Task class
Completed Reading for StorageEngine
Modified Task class
Seperate Tasks to different classes
Seperate CommandParser
Added methods for ResponseParser
Modify Response Parser to handle more responses
Updated Storage component, almost done
Completed Storage Engine
Updated CommandExecutor
Implemented Comparable