diff --git a/CHANGELOG.md b/CHANGELOG.md
index d2d355a95..18683c182 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,14 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## [2.1.5] - 2015-04-30
+### Added
+* method for getting geohash grids if the installed cache supports it
+* saveFile method in lib/BaseModel to give providers that ability to save file centrally
+
+### Changed 
+* Fixed registration of services in the lib/Local.js cache
+
 ## [2.1.4] - 2015-04-28
 ### Changed
 * fixed an issue with export shapefiles from datasets with exactly 5k features
@@ -214,6 +222,7 @@ Koop is now just a node module that exposes an express middleware app with hooks
   - koop-server is no more; all central code is in the koop project
   - to use Koop you must use it as middleware in an app that boots up an http server
 
+[2.1.5]: https://github.com/Esri/koop/compare/v2.1.4...v2.1.5
 [2.1.4]: https://github.com/Esri/koop/compare/v2.1.3...v2.1.4
 [2.1.3]: https://github.com/Esri/koop/compare/v2.1.2...v2.1.3
 [2.1.2]: https://github.com/Esri/koop/compare/v2.1.1...v2.1.2
diff --git a/lib/BaseModel.js b/lib/BaseModel.js
index 438c45f56..ffd38c426 100644
--- a/lib/BaseModel.js
+++ b/lib/BaseModel.js
@@ -116,7 +116,26 @@ var BaseModel = function( koop ){
     }
   }
 
- return {
+  function getGeoHash (key, options, callback) {
+    if (!koop.Cache.db.geoHashAgg){
+      callback('The installed cache doesnt support geohash aggregation', null);
+    } else {
+      var limit = options.limit || 100000,
+        precision = options.precision || 8;
+      koop.Cache.db.geoHashAgg(key, limit, precision, options, callback);
+    }
+  }
+
+  function saveFile (path, file, data, callback) {
+    koop.files.write( path, file, data, function( err ){
+      if (err){
+        return callback(err);
+      }
+      return callback();
+    });
+  };
+
+  return {
     log: log,
     files: files,
     cacheDir: cacheDir,
@@ -127,7 +146,9 @@ var BaseModel = function( koop ){
     tileGet: tileGet,
     generateThumbnail: generateThumbnail,
     getImageServiceTile: getImageServiceTile,
-    getServiceTile: getServiceTile
+    getServiceTile: getServiceTile,
+    getGeoHash: getGeoHash,
+    saveFile: saveFile
   };
 
 };
diff --git a/lib/Local.js b/lib/Local.js
index de1efd092..b83a5604b 100644
--- a/lib/Local.js
+++ b/lib/Local.js
@@ -50,22 +50,32 @@ module.exports = {
     callback(null, true);
   },
 
-  serviceRegister: function( type, key, info, callback ){
-    this.store.services[type + ':' + info.id] = info;
+  serviceRegister: function( type, info, callback ){
+    if (!this.store.services[type]){
+      this.store.services[type] = {};
+    }
+    this.store.services[type][info.id] = info;
     callback(null, true);
   },
 
   serviceCount:function(type, callback){
-    callback(null, Object.keys(this.store.services).length);
+    var services = this.store.services[type] || {};
+    callback(null, Object.keys(services).length);
   },
 
-  serviceRemove: function( key, id, callback){
-    this.store.services[ key+':'+id ] = null;
+  serviceRemove: function( type, id, callback){
+    if (this.store.services[type] && this.store.services[type][id]){
+      this.store.services[type][id] = null;
+    }
     callback(null, true);
   },
 
   serviceGet: function( type, id, callback){
-    callback(null, this.store.services[type+':'+id] || {});
+    if (!id){
+      callback(null, this.store.services[type] || {}); 
+    } else {
+      callback(null, this.store.services[type][id]);
+    }
   },
 
   remove: function( key, callback){
diff --git a/package.json b/package.json
index b897c472e..9b372bdd9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "koop",
-  "version": "2.1.4",
+  "version": "2.1.5",
   "description": "A node module/express middleware for converting GeoJSON to Esri Feature Services.",
   "main": "index.js",
   "scripts": {