Don't assume that response dicts have a 'request' key in pytribe.py
- Fixes a crash when redoing the calibration
Improve audiovisual synchronization in calibration in pygaze_init plug-in
Fix pylink check in pygaze_init
EyeLink: Improve drift-correction behavior
- Switch to set-up mode on experiment PC when the experimenter switches to set-up mode on the EyeLink PC
- Repeat drift correction until successful in pygaze_drift_correction plug-in
Merge pull request #27 from smathot/master

Various improvements to EyeLink and EyeTribe