Returns the anime ids of the 25 most recently aired / released anime, directly followed by the next 25 anime due to be aired / released, ordered by start date.
'''Command String:'''
* CALENDAR
'''Possible Replies:'''
* 297 CALENDAR
{int aid}|{int startdate}|{int dateflags}/n
..repeated n times
* 397 CALENDAR EMPTY
'''Info:'''
* Takes no parameters (other than the session string)
* Titles returned are filtered by the 'show adult' preference of the logged in user. That is, users who have elected to hide adult content will have it hidden here as well.
* Do not depend on the command always returning exactly 50 titles; there may not always be 25 future titles pending, depending on the user's 'adult' preferences, and the date in relation to the relation to the current anime season.
* Date flags are used to indicated an unknown value (unknown month, day, year)