diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index 5bb35968..bdb61b3b 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -1,40 +1,40 @@
 {
   "name": "windshaft-cartodb",
-  "version": "2.20.0",
+  "version": "2.20.1",
   "dependencies": {
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       "version": "1.14.2",
-      "from": "body-parser@~1.14.0",
+      "from": "body-parser@>=1.14.0 <1.15.0",
       "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.14.2.tgz",
       "dependencies": {
         "bytes": {
-          "version": "2.2.1",
+          "version": "2.2.0",
           "from": "bytes@2.2.0",
           "resolved": "https://registry.npmjs.org/bytes/-/bytes-2.2.0.tgz"
         },
         "content-type": {
           "version": "1.0.1",
-          "from": "content-type@~1.0.1",
+          "from": "content-type@>=1.0.1 <1.1.0",
           "resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.1.tgz"
         },
         "depd": {
           "version": "1.1.0",
-          "from": "depd@~1.1.0",
+          "from": "depd@>=1.1.0 <1.2.0",
           "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.0.tgz"
         },
         "http-errors": {
           "version": "1.3.1",
-          "from": "http-errors@~1.3.1",
+          "from": "http-errors@>=1.3.1 <1.4.0",
           "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.3.1.tgz",
           "dependencies": {
             "inherits": {
               "version": "2.0.1",
-              "from": "inherits@~2.0.1",
+              "from": "inherits@>=2.0.1 <2.1.0",
               "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.1.tgz"
             },
             "statuses": {
               "version": "1.2.1",
-              "from": "statuses@1",
+              "from": "statuses@>=1.0.0 <2.0.0",
               "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.2.1.tgz"
             }
           }
@@ -46,7 +46,7 @@
         },
         "on-finished": {
           "version": "2.3.0",
-          "from": "on-finished@~2.3.0",
+          "from": "on-finished@>=2.3.0 <2.4.0",
           "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.3.0.tgz",
           "dependencies": {
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@@ -63,7 +63,7 @@
         },
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           "version": "2.1.5",
-          "from": "raw-body@~2.1.5",
+          "from": "raw-body@>=2.1.5 <2.2.0",
           "resolved": "https://registry.npmjs.org/raw-body/-/raw-body-2.1.5.tgz",
           "dependencies": {
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@@ -74,9 +74,9 @@
           }
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-          "from": "type-is@~1.6.10",
-          "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.10.tgz",
+          "version": "1.6.11",
+          "from": "type-is@>=1.6.10 <1.7.0",
+          "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.11.tgz",
           "dependencies": {
             "media-typer": {
               "version": "0.3.0",
@@ -85,12 +85,12 @@
             },
             "mime-types": {
               "version": "2.1.9",
-              "from": "mime-types@~2.1.8",
+              "from": "mime-types@>=2.1.9 <2.2.0",
               "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.9.tgz",
               "dependencies": {
                 "mime-db": {
                   "version": "1.21.0",
-                  "from": "mime-db@~1.21.0",
+                  "from": "mime-db@>=1.21.0 <1.22.0",
                   "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.21.0.tgz"
                 }
               }
@@ -101,12 +101,12 @@
     },
     "cartodb-psql": {
       "version": "0.4.0",
-      "from": "cartodb-psql@~0.4.0",
+      "from": "cartodb-psql@>=0.4.0 <0.5.0",
       "resolved": "https://registry.npmjs.org/cartodb-psql/-/cartodb-psql-0.4.0.tgz",
       "dependencies": {
         "pg": {
           "version": "2.6.2-cdb1",
-          "from": "pg@git://github.com/CartoDB/node-postgres.git#2.6.2-cdb1",
+          "from": "git://github.com/CartoDB/node-postgres.git#2.6.2-cdb1",
           "resolved": "git://github.com/CartoDB/node-postgres.git#836a2dc3131e873fc4ba20cd16e7fb69a7dca98a",
           "dependencies": {
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@@ -125,26 +125,27 @@
     },
     "cartodb-redis": {
       "version": "0.13.0",
-      "from": "cartodb-redis@~0.13.0",
+      "from": "cartodb-redis@>=0.13.0 <0.14.0",
+      "resolved": "https://registry.npmjs.org/cartodb-redis/-/cartodb-redis-0.13.0.tgz",
       "dependencies": {
         "redis-mpool": {
           "version": "0.1.0",
-          "from": "redis-mpool@git://github.com/CartoDB/node-redis-mpool.git#0.1.0",
+          "from": "git://github.com/CartoDB/node-redis-mpool.git#0.1.0",
           "resolved": "git://github.com/CartoDB/node-redis-mpool.git#47510b8d4525ee24aa2e5328976372274a1d144e",
           "dependencies": {
             "generic-pool": {
               "version": "2.1.1",
-              "from": "generic-pool@~2.1.1",
+              "from": "generic-pool@>=2.1.1 <2.2.0",
               "resolved": "https://registry.npmjs.org/generic-pool/-/generic-pool-2.1.1.tgz"
             },
             "redis": {
               "version": "0.12.1",
-              "from": "redis@~0.12.1",
+              "from": "redis@>=0.12.1 <0.13.0",
               "resolved": "https://registry.npmjs.org/redis/-/redis-0.12.1.tgz"
             },
             "hiredis": {
               "version": "0.1.17",
-              "from": "hiredis@~0.1.17",
+              "from": "hiredis@>=0.1.17 <0.2.0",
               "resolved": "https://registry.npmjs.org/hiredis/-/hiredis-0.1.17.tgz",
               "dependencies": {
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@@ -154,7 +155,7 @@
                 },
                 "nan": {
                   "version": "1.1.2",
-                  "from": "nan@~1.1.0",
+                  "from": "nan@>=1.1.0 <1.2.0",
                   "resolved": "https://registry.npmjs.org/nan/-/nan-1.1.2.tgz"
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               }
@@ -165,7 +166,7 @@
     },
     "debug": {
       "version": "2.2.0",
-      "from": "debug@~2.2.0",
+      "from": "debug@>=2.2.0 <2.3.0",
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@@ -177,27 +178,27 @@
     },
     "dot": {
       "version": "1.0.3",
-      "from": "dot@~1.0.2",
+      "from": "dot@>=1.0.2 <1.1.0",
       "resolved": "https://registry.npmjs.org/dot/-/dot-1.0.3.tgz"
     },
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-      "version": "4.13.3",
-      "from": "express@~4.13.3",
-      "resolved": "https://registry.npmjs.org/express/-/express-4.13.3.tgz",
+      "version": "4.13.4",
+      "from": "express@>=4.13.3 <4.14.0",
+      "resolved": "https://registry.npmjs.org/express/-/express-4.13.4.tgz",
       "dependencies": {
         "accepts": {
           "version": "1.2.13",
-          "from": "accepts@~1.2.12",
+          "from": "accepts@>=1.2.12 <1.3.0",
           "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.2.13.tgz",
           "dependencies": {
             "mime-types": {
               "version": "2.1.9",
-              "from": "mime-types@~2.1.8",
+              "from": "mime-types@>=2.1.6 <2.2.0",
               "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.9.tgz",
               "dependencies": {
                 "mime-db": {
                   "version": "1.21.0",
-                  "from": "mime-db@~1.21.0",
+                  "from": "mime-db@>=1.21.0 <1.22.0",
                   "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.21.0.tgz"
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@@ -215,19 +216,19 @@
           "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz"
         },
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-          "from": "content-disposition@0.5.0",
-          "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.0.tgz"
+          "version": "0.5.1",
+          "from": "content-disposition@0.5.1",
+          "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.1.tgz"
         },
         "content-type": {
           "version": "1.0.1",
-          "from": "content-type@~1.0.1",
+          "from": "content-type@>=1.0.1 <1.1.0",
           "resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.1.tgz"
         },
         "cookie": {
-          "version": "0.1.3",
-          "from": "cookie@0.1.3",
-          "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.1.3.tgz"
+          "version": "0.1.5",
+          "from": "cookie@0.1.5",
+          "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.1.5.tgz"
         },
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@@ -235,28 +236,28 @@
           "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz"
         },
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-          "version": "1.0.1",
-          "from": "depd@~1.0.1",
-          "resolved": "https://registry.npmjs.org/depd/-/depd-1.0.1.tgz"
+          "version": "1.1.0",
+          "from": "depd@>=1.1.0 <1.2.0",
+          "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.0.tgz"
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-          "version": "1.0.2",
-          "from": "escape-html@1.0.2",
-          "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.2.tgz"
+          "version": "1.0.3",
+          "from": "escape-html@>=1.0.3 <1.1.0",
+          "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz"
         },
         "etag": {
           "version": "1.7.0",
-          "from": "etag@~1.7.0",
+          "from": "etag@>=1.7.0 <1.8.0",
           "resolved": "https://registry.npmjs.org/etag/-/etag-1.7.0.tgz"
         },
         "finalhandler": {
-          "version": "0.4.0",
-          "from": "finalhandler@0.4.0",
-          "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-0.4.0.tgz",
+          "version": "0.4.1",
+          "from": "finalhandler@0.4.1",
+          "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-0.4.1.tgz",
           "dependencies": {
             "unpipe": {
               "version": "1.0.0",
-              "from": "unpipe@~1.0.0",
+              "from": "unpipe@>=1.0.0 <1.1.0",
               "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz"
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@@ -267,18 +268,18 @@
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-          "from": "merge-descriptors@1.0.0",
-          "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.0.tgz"
+          "version": "1.0.1",
+          "from": "merge-descriptors@1.0.1",
+          "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.1.tgz"
         },
         "methods": {
           "version": "1.1.2",
-          "from": "methods@~1.1.1",
+          "from": "methods@>=1.1.2 <1.2.0",
           "resolved": "https://registry.npmjs.org/methods/-/methods-1.1.2.tgz"
         },
         "on-finished": {
           "version": "2.3.0",
-          "from": "on-finished@~2.3.0",
+          "from": "on-finished@>=2.3.0 <2.4.0",
           "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.3.0.tgz",
           "dependencies": {
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@@ -290,7 +291,7 @@
         },
         "parseurl": {
           "version": "1.3.1",
-          "from": "parseurl@~1.3.0",
+          "from": "parseurl@>=1.3.1 <1.4.0",
           "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.1.tgz"
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@@ -300,12 +301,12 @@
         },
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           "version": "1.0.10",
-          "from": "proxy-addr@~1.0.8",
+          "from": "proxy-addr@>=1.0.10 <1.1.0",
           "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-1.0.10.tgz",
           "dependencies": {
             "forwarded": {
               "version": "0.1.0",
-              "from": "forwarded@~0.1.0",
+              "from": "forwarded@>=0.1.0 <0.2.0",
               "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.1.0.tgz"
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@@ -322,27 +323,27 @@
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           "version": "1.0.3",
-          "from": "range-parser@~1.0.2",
+          "from": "range-parser@>=1.0.3 <1.1.0",
           "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.0.3.tgz"
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-          "from": "send@0.13.0",
-          "resolved": "https://registry.npmjs.org/send/-/send-0.13.0.tgz",
+          "version": "0.13.1",
+          "from": "send@0.13.1",
+          "resolved": "https://registry.npmjs.org/send/-/send-0.13.1.tgz",
           "dependencies": {
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-              "from": "destroy@1.0.3",
-              "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.3.tgz"
+              "version": "1.0.4",
+              "from": "destroy@>=1.0.4 <1.1.0",
+              "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.4.tgz"
             },
             "http-errors": {
               "version": "1.3.1",
-              "from": "http-errors@~1.3.1",
+              "from": "http-errors@>=1.3.1 <1.4.0",
               "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.3.1.tgz",
               "dependencies": {
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                   "version": "2.0.1",
-                  "from": "inherits@~2.0.1",
+                  "from": "inherits@>=2.0.1 <2.1.0",
                   "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.1.tgz"
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@@ -359,71 +360,20 @@
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-              "from": "statuses@~1.2.1",
+              "from": "statuses@>=1.2.1 <1.3.0",
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-                  "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.4.tgz"
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-                  "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.2.1.tgz"
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+          "from": "serve-static@>=1.10.2 <1.11.0",
+          "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.10.2.tgz"
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-          "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.10.tgz",
+          "version": "1.6.11",
+          "from": "type-is@>=1.6.6 <1.7.0",
+          "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.11.tgz",
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@@ -432,12 +382,12 @@
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@@ -451,14 +401,15 @@
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@@ -467,17 +418,17 @@
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@@ -487,19 +438,19 @@
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@@ -516,36 +467,37 @@
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@@ -3438,12 +3625,12 @@
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