Adding support for Portiloop V2

Fixed issue with EDF recording

Implemented stimulators for trains of spindles

Small issues fixed

Finished setting up the demo and fixed my git stupidity

Fixed packaging

Working on making things work outside of the hardware of the Portiloop

updated version

Added inference code

new interface, lsl, custom filtering

online filtering

started implementing filtering (to debug and optimize)

first complete version (no bias)

merge with backup

create package and added recent code