Event reader 1.2.0

Event reader 1.2.0 — open EVT3
.raw recordings, build a picture stack, stream it to BLITZ or
DONNER.

1. Run EventReader / EventReader.exe (optional path to a .raw).
2. Yellow band, Δt, crop, Send as — then Build pictures and send
   or Save as NumPy….
3. BLITZ → Stream, or DONNER Source → Count → Stream:
   http://127.0.0.1:5055, token evt.
   DONNER: Send as counts.

Notes: README ·
CHANGELOG.