Filter by weekdays (optional months, etc.)

[romedius]

To answer the question "how probable is it, that somebody is in the Hackerspace on Saturday, 15:00" it would be nice to filter the data by weekdays / months/ whatnot.

[romedius]

Maybe I will implement this. if someone else is faster, go on , make it happen :)

[romedius]

... and seems kinda a duplicate/extension of #6