old_contents: // apikey cache caches the user apikeys for quick lookup.
  // It preloads all the users the first time it is call.ed
  var _ = require('lodash');
  module.exports = function(model) {
      'use strict';
      let keycache = {};
      return {
          find: find
      };
  
      ////////////////////
  
      // find looks up an apikey in the cache. If the cache
      // is empty is loads it.
      function* find(apikey) {
          if (! _.isEmpty(keycache)) {
              return keycache[apikey];
          }
  
          let users = yield model.getUsers();
          keycache = users2map(users);
          return keycache[apikey];
      }
  
      // users2map converts the array of users into a map
      // indexed by apikey.
      function users2map(users) {
          let map = {};
          users.forEach(function(user) {
              map[user.apikey] = {
                  id: user.id,
                  apikey: user.apikey,
                  isadmin: !!user.admin
              };
          });
          return map;
      }
  };
  
new_contents: // apikey cache caches the user apikeys for quick lookup.
  // It preloads all the users the first time it is call.ed
  var _ = require('lodash');
  module.exports = function(model) {
      'use strict';
      let keycache = {};
      return {
          find: find
      };
  
      ////////////////////
  
      // find looks up an apikey in the cache. If the cache
      // is empty is loads it.
      function* find(apikey) {
          if (! _.isEmpty(keycache)) {
              return keycache[apikey];
          }
  
          let users = yield model.getUsers();
          keycache = users2map(users);
          return keycache[apikey];
      }
  
      // users2map converts the array of users into a map
      // indexed by apikey.
      function users2map(users) {
          let map = {};
          users.forEach(function(user) {
              map[user.apikey] = {
                  id: user.id,
                  apikey: user.apikey,
                  isAdmin: !!user.admin
              };
          });
          return map;
      }
  };
  
subject: Change isadmin to isAdmin.