* start working on stream_time_step function

* add SignalMap and use that in stream implementation

* test: stream with filter

* stream: pass encoder to file format specific routines

* test: implement stream by time step test

* test: wip stream derived signals test

* stream: filter out signals that were not requested

* stream: refactor

* stream: make work again with new dispatcher

* stream: first attempt at a by time step streaming

* stream: fix a couple of bugs

* stream: filter out false changes

* stream: fix change detection for events

* debug: identify time tables that are not strictly increasing

* bump fst reader for time table fix

* test: update test to use time instead of time index

* cargo: add flags for better performance analysis

* cargo: remove options in wrong file

* stream: only basic tests for slow files

* version bump for new stream interface

* stream interface changes require a major version bump

* test: remove some stream tests that take too long

* clippy fix