Documentation for EventQueue:waitFor() is wrong / misleading

[tomkcook]

Describe the bug
The documentation suggests that a table representing a filter can be passed directly to EventQueue:waitFor() but this doesn't work and fails with fairly misleading error messages. Calling like this:

queue:waitFor{event="StartDocking"}

results in an error calling 'waitFor' on bad self (table expected, got EventQueue). I tried a few different ways but it is necessary to construct an EventFilter object:

queue:waitFor(event.filter{event="StartDocking"})

This probably just needs a documentation fix.