add new method for fetching appointments
add search appointments method to folder
add get appointments method
move get_appointment method from folder to folder service
modify get appointments function
add debug statement
call service to find folder
fix reference to get folder service rather than base service
move get appointments from folder to calendar
remove change key parameter
add datetime import
add debug line to get type of day_start
format times
convert int to string
debug statement'
formatting and debug statements
print request xml
add debug print statement
add change key parameter
print type