tasks/aws_s3.js
function (params) {

			return _.every(_.keys(params), function (key) { 
				return _.contains(put_params, key); 
			});
		}
function (params) {

			return _.every(_.keys(params), function (key) { 
				return _.contains(put_params, key); 
			});
		}
function ( params ) { return _ . every ( _ . keys ( params ) , function ( key ) { return _ . contains ( put_params , key ) ; } ) ; }
Checks that all params are in put_params
Checks that all params are in put_params