Fixed bug where wrong mask was used for extracting spike times
Fixed bug where wrong mask was used for extracting spike times

Until now it just returned all event timestamps instead of only the ones
belonging to the correct segment

NeuralEnsemble/python-neo,INM-6/python-neo,JuliaSprenger/python-neo,rgerkin/python-neo,apdavison/python-neo,samuelgarcia/python-neo