Features:
- Option to use openCV for drawing scanpaths @dev-jam
- Create scanpath videos @dev-jam
- implemented send_custom_event in TalkToProLab
- Optional blocking in start_recording() until data become available
Fixes:
- SDK bug: Workaround since Tobii Pro Fusion reports to support eye openness signals at 250 Hz when it if fact does not.
- Added waitBlanking=False to avoid slow and choppy presentation on the operator screen