Add load and save configuration functions
add configuration file system, load/save/generate functions
add task array and print function
Implement configuration load/save fully, & create task
add history configuration file to DayList class, reorganized config variable names
Implement handler for leftover arguments
implement history config load, save, generation functions
added test.rb and clear.rb testing files to gitignore
Fixed configuration load and save functionality
Implemented enter and leave context functions