code: function createSysDB(success, failure) {
          function sysDbCreateError(tx, err) {
              err = idbModules.util.findError(arguments);
              idbModules.DEBUG && console.log("Error in sysdb transaction - when creating dbVersions", err);
              failure(err);
          }
  
          if (sysdb) {
              success();
          }
          else {
              sysdb = window.openDatabase("__sysdb__", 1, "System Database", DEFAULT_DB_SIZE);
              sysdb.transaction(function(tx) {
                  tx.executeSql("CREATE TABLE IF NOT EXISTS dbVersions (name VARCHAR(255), version INT);", [], success, sysDbCreateError);
              }, sysDbCreateError);
          }
      }
docs: Craetes the sysDB to keep track of version numbers for databases