diff --git a/Changelog.md b/Changelog.md
index f680464..49a9773 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -7,6 +7,9 @@ This is the changelog for the air quality web interface and its associated HTTP
  - `[Code]` refers to internal changes to the code that have no direct impact on the web interface or the HTTP API, but are significant enough to warrant note.
  - `[Docs]` refers to changes to the [documentation](https://aq.connectedhumber.org/__nightdocs/00-Welcome.html).
 
+## v0.13.4
+ - [API] Fix crash in `list-devices-near` action
+
 
 ## v0.13.3
  - Update dependencies
diff --git a/logic/Repositories/MariaDBDeviceRepository.php b/logic/Repositories/MariaDBDeviceRepository.php
index 23f6d27..1aebfbf 100644
--- a/logic/Repositories/MariaDBDeviceRepository.php
+++ b/logic/Repositories/MariaDBDeviceRepository.php
@@ -148,6 +148,7 @@ class MariaDBDeviceRepository implements IDeviceRepository {
 	
 	public function get_near_location(float $lat, float $long, int $count) {
 		$s = $this->get_static;
+		$o = $this->get_static_extra;
 		
 		$data_repo_class = MariaDBMeasurementDataRepository::class;
 		$data_repo_table_meta = $o($data_repo_class, "table_name_metadata");
diff --git a/package-lock.json b/package-lock.json
index b7ee8f2..36bbef5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,22 +1,22 @@
 {
   "name": "air-quality-mapper",
-  "version": "0.13.0",
+  "version": "0.13.4-dev",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
     "@babel/code-frame": {
-      "version": "7.5.5",
-      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.5.5.tgz",
-      "integrity": "sha512-27d4lZoomVyo51VegxI20xZPuSHusqbQag/ztrBC7wegWoQ1nLREPVSKSW8byhTlzTKyNE4ifaTA6lCp7JjpFw==",
+      "version": "7.8.3",
+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.8.3.tgz",
+      "integrity": "sha512-a9gxpmdXtZEInkCSHUJDLHZVBgb1QS0jhss4cPP93EW7s+uC5bikET2twEF3KV+7rDblJcmNvTR7VJejqd2C2g==",
       "dev": true,
       "requires": {
-        "@babel/highlight": "^7.0.0"
+        "@babel/highlight": "^7.8.3"
       }
     },
     "@babel/highlight": {
-      "version": "7.5.0",
-      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.5.0.tgz",
-      "integrity": "sha512-7dV4eu9gBxoM0dAnj/BCFDW9LFU0zvTrkq0ugM7pnHEgguOEeOz1so2ZghEdzviYzQEED0r4EAgpsBChKy1TRQ==",
+      "version": "7.8.3",
+      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.8.3.tgz",
+      "integrity": "sha512-PX4y5xQUvy0fnEVHrYOarRPXVWafSjTW9T0Hab8gVIawpl2Sj0ORyrygANq+KjcNlSSTw0YCLSNA8OyZ1I4yEg==",
       "dev": true,
       "requires": {
         "chalk": "^2.0.0",
@@ -24,16 +24,32 @@
         "js-tokens": "^4.0.0"
       }
     },
+    "@popperjs/core": {
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/@popperjs/core/-/core-2.0.6.tgz",
+      "integrity": "sha512-zj7Gw8QC4jmR92eKUvtrZUEpl2ypRbq+qlE4pwf9n2hnUO9BOAcWUs4/Ht+gNIbFt98xtqhLvccdCfD469MzpQ=="
+    },
+    "@simonwep/pickr": {
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/@simonwep/pickr/-/pickr-1.5.1.tgz",
+      "integrity": "sha512-BMYt5RsW7YLNrUF7Jdz1UM0E04ROD0iv/Z/c8APFb74VH0Zs3HeLiLacPgPqLx23VesL8aS6Jin/JiTmnkWujw==",
+      "requires": {
+        "core-js": "^3.6.4"
+      }
+    },
     "@types/chart.js": {
-      "version": "2.9.3",
-      "resolved": "https://registry.npmjs.org/@types/chart.js/-/chart.js-2.9.3.tgz",
-      "integrity": "sha512-R5F39GIQ54fZJ04pmgbLrx0/dOEhyS8LRQNdlAmZd5zWZiFJ0v9zNNSBJ9WOTBRrMjeV53s0qhnRRvhcs6dfyQ==",
-      "dev": true
+      "version": "2.9.15",
+      "resolved": "https://registry.npmjs.org/@types/chart.js/-/chart.js-2.9.15.tgz",
+      "integrity": "sha512-PRxv/KYzmeVXDgp9nHJBoIQh9iJEyBm/OocnSrIEU9VZSNW5lcbXVkYjkb4V78VGGJESf57tk7KxK1LBAccOAQ==",
+      "dev": true,
+      "requires": {
+        "moment": "^2.10.2"
+      }
     },
     "@types/chroma-js": {
-      "version": "1.4.3",
-      "resolved": "https://registry.npmjs.org/@types/chroma-js/-/chroma-js-1.4.3.tgz",
-      "integrity": "sha512-m33zg9cRLtuaUSzlbMrr7iLIKNzrD4+M6Unt5+9mCu4BhR5NwnRjVKblINCwzcBXooukIgld8DtEncP8qpvbNg==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/@types/chroma-js/-/chroma-js-2.0.0.tgz",
+      "integrity": "sha512-iomunXsXjDxhm2y1OeJt8NwmgC7RyNkPAOddlYVGsbGoX8+1jYt84SG4/tf6RWcwzROLx1kPXPE95by1s+ebIg==",
       "dev": true
     },
     "@types/d3-delaunay": {
@@ -61,9 +77,9 @@
       "dev": true
     },
     "@types/leaflet": {
-      "version": "1.5.6",
-      "resolved": "https://registry.npmjs.org/@types/leaflet/-/leaflet-1.5.6.tgz",
-      "integrity": "sha512-a9gVDwmNNalKrsU124kS7Lv9eo0z95CCMJu1Fp7l+A+EQ7Vv0UJ7LFkjaxu176ebUOBDEqvjn7A2vrlq5kLtkw==",
+      "version": "1.5.9",
+      "resolved": "https://registry.npmjs.org/@types/leaflet/-/leaflet-1.5.9.tgz",
+      "integrity": "sha512-vFj2Y764lC6PpmmoFTui3yEMAKf+Dy08eGIaFgM+efJoKNxDP/bsEr2UHloP6kkJqc+4VO9+KYea2ZhiZCnNrQ==",
       "dev": true,
       "requires": {
         "@types/geojson": "*"
@@ -85,9 +101,9 @@
       "dev": true
     },
     "@types/q": {
-      "version": "1.5.1",
-      "resolved": "https://registry.npmjs.org/@types/q/-/q-1.5.1.tgz",
-      "integrity": "sha512-eqz8c/0kwNi/OEHQfvIuJVLTst3in0e7uTKeuY+WL/zfKn0xVujOTp42bS/vUUokhK5P2BppLd9JXMOMHcgbjA==",
+      "version": "1.5.2",
+      "resolved": "https://registry.npmjs.org/@types/q/-/q-1.5.2.tgz",
+      "integrity": "sha512-ce5d3q03Ex0sy4R14722Rmt6MT07Ua+k4FwDfdcToYJcMKNtRVQvJ6JCAPdAmAnbRb6CsX6aYb9m96NGod9uTw==",
       "dev": true
     },
     "@types/resolve": {
@@ -100,9 +116,9 @@
       }
     },
     "acorn": {
-      "version": "7.1.0",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.1.0.tgz",
-      "integrity": "sha512-kL5CuoXA/dgxlBbVrflsflzQ3PAas7RYZB52NOm/6839iVYJgKMJ3cQJD+t2i5+qFa8h3MDpEOJiS64E8JLnSQ==",
+      "version": "7.1.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.1.1.tgz",
+      "integrity": "sha512-add7dgA5ppRPxCFJoAGfMDi7PIBXq1RtGo7BhbLaxwrXPOmw8gq48Y9ozT01hUKy9byMjlR20EJhu5zlkErEkg==",
       "dev": true
     },
     "alphanum-sort": {
@@ -245,9 +261,9 @@
       }
     },
     "big.js": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/big.js/-/big.js-3.2.0.tgz",
-      "integrity": "sha512-+hN/Zh2D08Mx65pZ/4g5bsmNiZUuChDiQfTUQ7qJr4/kuopCr88xZsAXv6mBoZEsUI4OuGHlX59qE94K2mMW8Q==",
+      "version": "5.2.2",
+      "resolved": "https://registry.npmjs.org/big.js/-/big.js-5.2.2.tgz",
+      "integrity": "sha512-vyL2OymJxmarO8gxMr0mhChsO9QGwhynfuu4+MHTAW6czfq9humCB7rKpUjDd9YUiDPU4mzpyupFSvOClAwbmQ==",
       "dev": true
     },
     "boolbase": {
@@ -286,14 +302,14 @@
       }
     },
     "browserslist": {
-      "version": "4.4.2",
-      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.4.2.tgz",
-      "integrity": "sha512-ISS/AIAiHERJ3d45Fz0AVYKkgcy+F/eJHzKEvv1j0wwKGKD9T3BrwKr/5g45L+Y4XIK5PlTqefHciRFcfE1Jxg==",
+      "version": "4.9.1",
+      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.9.1.tgz",
+      "integrity": "sha512-Q0DnKq20End3raFulq6Vfp1ecB9fh8yUNV55s8sekaDDeqBaCtWlRHCUdaWyUeSSBJM7IbM6HcsyaeYqgeDhnw==",
       "dev": true,
       "requires": {
-        "caniuse-lite": "^1.0.30000939",
-        "electron-to-chromium": "^1.3.113",
-        "node-releases": "^1.1.8"
+        "caniuse-lite": "^1.0.30001030",
+        "electron-to-chromium": "^1.3.363",
+        "node-releases": "^1.1.50"
       }
     },
     "buffer-from": {
@@ -370,9 +386,9 @@
       }
     },
     "caniuse-lite": {
-      "version": "1.0.30000945",
-      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30000945.tgz",
-      "integrity": "sha512-PSGwYChNIXJ4FZr9Z9mrVzBCB1TF3yyiRmIDRIdKDHZ6u+1jYH6xeR28XaquxnMwcZVX3f48S9zi7eswO/G1nQ==",
+      "version": "1.0.30001032",
+      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001032.tgz",
+      "integrity": "sha512-8joOm7BwcpEN4BfVHtfh0hBXSAPVYk+eUIcNntGtMkUWy/6AKRCDZINCLe3kB1vHhT2vBxBF85Hh9VlPXi/qjA==",
       "dev": true
     },
     "chalk": {
@@ -471,9 +487,9 @@
       }
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     "color": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/color/-/color-3.1.0.tgz",
-      "integrity": "sha512-CwyopLkuRYO5ei2EpzpIh6LqJMt6Mt+jZhO5VI5f/wJLZriXQE32/SSqzmrh+QB+AZT81Cj8yv+7zwToW8ahZg==",
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/color/-/color-3.1.2.tgz",
+      "integrity": "sha512-vXTJhHebByxZn3lDvDJYw4lR5+uB3vuoHsuYA5AKuxRVn5wzzIfQKGLBmgdVRHKTJYeK5rvJcHnrd0Li49CFpg==",
       "dev": true,
       "requires": {
         "color-convert": "^1.9.1",
@@ -504,9 +520,9 @@
       }
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-      "version": "2.20.0",
-      "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.0.tgz",
-      "integrity": "sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ==",
+      "version": "2.20.3",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
+      "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==",
       "dev": true
     },
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@@ -530,16 +546,20 @@
       "integrity": "sha1-Z29us8OZl8LuGsOpJP1hJHSPV40=",
       "dev": true
     },
+    "core-js": {
+      "version": "3.6.4",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.6.4.tgz",
+      "integrity": "sha512-4paDGScNgZP2IXXilaffL9X7968RuvwlkK3xWtZRVqgd8SYNiVKRJvkFd1aqqEuPfN7E68ZHEp9hDj6lHj4Hyw=="
+    },
     "cosmiconfig": {
-      "version": "5.1.0",
-      "resolved": "https://registry.npmjs.org/cosmiconfig/-/cosmiconfig-5.1.0.tgz",
-      "integrity": "sha512-kCNPvthka8gvLtzAxQXvWo4FxqRB+ftRZyPZNuab5ngvM9Y7yw7hbEysglptLgpkGX9nAOKTBVkHUAe8xtYR6Q==",
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/cosmiconfig/-/cosmiconfig-5.2.1.tgz",
+      "integrity": "sha512-H65gsXo1SKjf8zmrJ67eJk8aIRKV5ff2D4uKZIBZShbhGSpEmsQOPW/SKMKYhSTrqR7ufy6RP69rPogdaPh/kA==",
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         "import-fresh": "^2.0.0",
         "is-directory": "^0.3.1",
-        "js-yaml": "^3.9.0",
-        "lodash.get": "^4.4.2",
+        "js-yaml": "^3.13.1",
         "parse-json": "^4.0.0"
       }
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@@ -578,9 +598,9 @@
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-          "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.14.tgz",
-          "integrity": "sha512-NsbD6XUUMZvBxtQAJuWDJeeC4QFsmWsfozWxCJPWf3M55K9iu2iMDaKqyoOdTJ1R4usBXuxlVFAIo8rZPQD4Bg==",
+          "version": "7.0.27",
+          "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.27.tgz",
+          "integrity": "sha512-WuQETPMcW9Uf1/22HWUWP9lgsIC+KEHg2kozMflKjbeUtw9ujvFX6QmIfozaErDkmLWS9WEnEdEe6Uo9/BNTdQ==",
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@@ -675,13 +695,13 @@
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-      "resolved": "https://registry.npmjs.org/css-select/-/css-select-2.0.2.tgz",
-      "integrity": "sha512-dSpYaDVoWaELjvZ3mS6IKZM/y2PMPa/XYoEfYNZePL4U/XgyxZNroHEHReDx/d+VgXh9VbCTtFqLkFbmeqeaRQ==",
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/css-select/-/css-select-2.1.0.tgz",
+      "integrity": "sha512-Dqk7LQKpwLoH3VovzZnkzegqNSuAziQyNZUcrdDM401iY+R5NkGBXGmtO05/yaXQziALuPogeG0b7UAgjnTJTQ==",
       "dev": true,
       "requires": {
         "boolbase": "^1.0.0",
-        "css-what": "^2.1.2",
+        "css-what": "^3.2.1",
         "domutils": "^1.7.0",
         "nth-check": "^1.0.2"
       }
@@ -693,64 +713,36 @@
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+      "version": "0.7.2",
+      "resolved": "https://registry.npmjs.org/css-selector-tokenizer/-/css-selector-tokenizer-0.7.2.tgz",
+      "integrity": "sha512-yj856NGuAymN6r8bn8/Jl46pR+OC3eEvAhfGYDUe7YPtTPAYrSSw4oAniZ9Y8T5B92hjhwTBLUen0/vKPxf6pw==",
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-          "integrity": "sha1-yBSQPkViM3GgR3tAEJqq++6t27Q=",
-          "dev": true
-        }
+        "cssesc": "^3.0.0",
+        "fastparse": "^1.1.2",
+        "regexpu-core": "^4.6.0"
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-      "version": "1.0.0-alpha.28",
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+      "version": "1.0.0-alpha.37",
+      "resolved": "https://registry.npmjs.org/css-tree/-/css-tree-1.0.0-alpha.37.tgz",
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-          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
-          "dev": true
-        }
+        "mdn-data": "2.0.4",
+        "source-map": "^0.6.1"
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-    "css-unit-converter": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/css-unit-converter/-/css-unit-converter-1.1.1.tgz",
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+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/css-what/-/css-what-3.2.1.tgz",
+      "integrity": "sha512-WwOrosiQTvyms+Ti5ZC5vGEK0Vod3FTt1ca+payZqvKuGJF+dq7bG63DstxtN0dpm6FxY27a/zS3Wten+gEtGw==",
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-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/cssesc/-/cssesc-2.0.0.tgz",
-      "integrity": "sha512-MsCAG1z9lPdoO/IUMLSBWBSVxVtJ1395VGIQ+Fc2gNdkQ1hNDnQdw3YhA71WJCBW1vdwA0cAnk/DnW6bqoEUYg==",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/cssesc/-/cssesc-3.0.0.tgz",
+      "integrity": "sha512-/Tb/JcjK111nNScGob5MNtsntNM1aCNUDipB/TkwZFhyDrrE47SOx/18wF2bbjgc3ZzCSKW1T5nt5EbFoAz/Vg==",
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@@ -766,9 +758,9 @@
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+          "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.27.tgz",
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@@ -826,9 +818,9 @@
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-        "js-yaml": "^3.12.0",
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@@ -4300,11 +4310,6 @@
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+    "unicode-canonical-property-names-ecmascript": {
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@@ -4448,19 +4481,21 @@
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diff --git a/package.json b/package.json
index 1d2524d..2e794ba 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "air-quality-mapper",
-	"version": "0.13.0",
+	"version": "0.13.4-dev",
 	"description": "The web interface and JSON api for the ConnectedHumber Air Quality Monitoring Project.",
 	"private": true,
 	"main": "index.mjs",
@@ -20,7 +20,7 @@
 	"dependencies": {
 		"chart.js": "^2.9.3",
 		"chroma-js": "^2.1.0",
-		"d3-delaunay": "^5.1.6",
+		"d3-delaunay": "^5.2.1",
 		"dom-create-element-query-selector": "github:hekigan/dom-create-element-query-selector",
 		"event-emitter-es6": "^1.1.5",
 		"iso8601-js-period": "^0.2.1",
@@ -30,28 +30,28 @@
 		"leaflet.markercluster": "^1.4.1",
 		"moment": "^2.24.0",
 		"nanomodal": "^5.1.1",
-		"shepherd.js": "^6.0.2",
-		"smartsettings": "^1.2.3",
+		"shepherd.js": "^7.0.3",
+		"smartsettings": "^2.0.3",
 		"tabs": "^0.2.0",
 		"xml-writer": "^1.7.0"
 	},
 	"devDependencies": {
-		"@types/chart.js": "^2.9.3",
-		"@types/chroma-js": "^1.4.3",
+		"@types/chart.js": "^2.9.15",
+		"@types/chroma-js": "^2.0.0",
 		"@types/d3-delaunay": "^4.1.0",
 		"@types/event-emitter-es6": "^1.1.0",
-		"@types/leaflet": "^1.5.6",
+		"@types/leaflet": "^1.5.9",
 		"@types/leaflet-fullscreen": "^1.0.4",
 		"nightdocs": "^1.0.6",
 		"postcss-copy": "^7.1.0",
 		"postcss-import": "^12.0.1",
-		"rollup": "^1.27.8",
+		"rollup": "^1.32.0",
 		"rollup-plugin-commonjs": "^10.1.0",
 		"rollup-plugin-json": "^4.0.0",
 		"rollup-plugin-node-resolve": "^5.2.0",
-		"rollup-plugin-postcss": "^2.0.3",
+		"rollup-plugin-postcss": "^2.2.0",
 		"rollup-plugin-replace": "^2.2.0",
-		"rollup-plugin-terser": "^5.1.2"
+		"rollup-plugin-terser": "^5.2.0"
 	},
 	"docpress": {
 		"github": "ConnectedHumber/Air-Quality-Web",
diff --git a/version b/version
index 3c8b451..71e8e4c 100644
--- a/version
+++ b/version
@@ -1 +1 @@
-v0.13.3-dev
+v0.13.4-dev