David Wotherspoon hammered Hibs in front from 20 yards after good work by Paul Cairney
The visitors doubled their lead when Leigh Griffiths was barged over by keeper Darren Randolph and scored the resulting penalty himself, and Michael Higdon blazed a
A third penalty was given after Hammell was adjudged to have fouled Wotherspoon, which Griffiths converted.
Hibs substitute Danny Handling then rounded off the scoring.
