Coincidence queries

Add module to easily filter coincidences process by CoincidencesESD.
This allows you to simply analyse coincidences between all stations and then later filter it.

Select coincidences in various ways:

- All coincidences (no filter)
- All of the specified stations (and)
- Any of the specific stations (or)
- At least n of the selected stations
- Can be stations from different (sub)clusters
- At least n events in a coincidence (after filtering events)

Filter events in a coincidence:

- Any station (no filter)
- Only events from specified stations
- Only events from stations in a specific (sub)cluster

Returned will be a list with one item for each coincidence.
That will contain a list with an item for each event.
Which will contain the station number and the event row.
`[[(station_number, event_row), ..], ..]`