code: public List<ItemRevision> getItemRevisions(int itemId) {
  		return getResourceFactory().getApiResource(
  				"/item/" + itemId + "/revision/").get(
  				new GenericType<List<ItemRevision>>() {
  				});
  	}
docs: Returns all the revisions that have been made to an item
  
  @param itemId
  The id of the item
  @return All the revisions