review commits query

Author: Francesca-Bit

lib/query/woqlLibrary.js

@@ -33,7 +33,7 @@ WOQLLibrary.prototype.branches = function(){//values, variables, cresource) {
  * @param {number} timestamp - Unix timestamp in seconds
  */
 
-WOQLLibrary.prototype.commits = function (branch="main",limit,start,timestamp){
+WOQLLibrary.prototype.commits = function (branch="main",limit=0,start=0,timestamp=0){
     const woql = new WOQLQuery().using("_commits")
     if(limit) woql.limit(limit)
     if(start) woql.start(start)