code: function normaliseParams(params) {
  			if (typeof params === 'string') {
  				params = params.split(' ');
  			}
  			else if (!$.isArray(params)) {
  				var opts = [];
  				for (var name in params) {
  					opts[0] = name;
  					opts[1] = params[name];
  				}
  				params = opts;
  			}
  			return params;
  		}
docs: Normalise the comparison parameters to an array.
  @param params {Array|object|string} The original parameters.
  @return {Array} The normalised parameters.