chore(package): update sinon to version 2.3.2
chore(package): update sinon to version 2.3.2

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naustudio/keystone,danielmahon/keystone,benkroeger/keystone,andrewlinfoot/keystone,naustudio/keystone,andrewlinfoot/keystone,andrewlinfoot/keystone,trentmillar/keystone,frontyard/keystone,Pop-Code/keystone,matthewstyers/keystone,matthewstyers/keystone,vokal/keystone,naustudio/keystone,danielmahon/keystone,trentmillar/keystone,vokal/keystone,vokal/keystone,Pop-Code/keystone,trentmillar/keystone,benkroeger/keystone,benkroeger/keystone,danielmahon/keystone,matthewstyers/keystone,frontyard/keystone,frontyard/keystone