diff --git a/package-lock.json b/package-lock.json
index 77c6fc9..221684c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "seventy",
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+  "version": "1.3.1",
   "lockfileVersion": 1,
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@@ -1423,7 +1423,7 @@
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-      "resolved": "http://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
       "integrity": "sha1-ReN/s56No/JbruP/U2niu18iAXo=",
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@@ -1927,7 +1927,7 @@
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-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
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@@ -4379,7 +4379,7 @@
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-          "resolved": "http://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
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@@ -6526,7 +6526,7 @@
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-      "resolved": "http://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
+      "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
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@@ -7361,7 +7361,7 @@
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-      "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
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@@ -7414,7 +7414,7 @@
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-          "resolved": "http://registry.npmjs.org/yargs/-/yargs-6.6.0.tgz",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-6.6.0.tgz",
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@@ -7823,7 +7823,7 @@
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-      "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
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@@ -7883,7 +7883,7 @@
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-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
           "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
           "dev": true
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@@ -8031,7 +8031,7 @@
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         "semver": {
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-          "resolved": "http://registry.npmjs.org/semver/-/semver-5.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.3.0.tgz",
           "integrity": "sha1-myzl094C0XxgEq0yaqa00M9U+U8=",
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@@ -8120,7 +8120,7 @@
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-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
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@@ -8351,7 +8351,7 @@
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-          "resolved": "http://registry.npmjs.org/yargs/-/yargs-3.32.0.tgz",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.32.0.tgz",
           "integrity": "sha1-AwiOnr+edWtpdRYR0qXvWRSCyZU=",
           "dev": true,
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@@ -8648,7 +8648,7 @@
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-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz",
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@@ -8698,7 +8698,7 @@
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     "os-locale": {
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-      "resolved": "http://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
+      "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
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@@ -8981,7 +8981,7 @@
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-      "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+      "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
       "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
       "dev": true
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@@ -9912,31 +9912,45 @@
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-      "resolved": "https://registry.npmjs.org/pug-attrs/-/pug-attrs-2.0.3.tgz",
-      "integrity": "sha1-owlflw5kFR972tlX7vVftdeQXRU=",
-      "dev": true,
-      "requires": {
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-        "js-stringify": "^1.0.1",
-        "pug-runtime": "^2.0.4"
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-      "resolved": "https://registry.npmjs.org/pug-code-gen/-/pug-code-gen-2.0.1.tgz",
-      "integrity": "sha1-CVHsgyJddNjPxHan+Zolm199BQw=",
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/pug-code-gen/-/pug-code-gen-2.0.3.tgz",
+      "integrity": "sha512-r9sezXdDuZJfW9J91TN/2LFbiqDhmltTFmGpHTsGdrNGp3p4SxAjjXEfnuK2e4ywYsRIVP0NeLbSAMHUcaX1EA==",
       "dev": true,
       "requires": {
-        "constantinople": "^3.0.1",
+        "constantinople": "^3.1.2",
         "doctypes": "^1.1.0",
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-        "pug-attrs": "^2.0.3",
-        "pug-error": "^1.3.2",
-        "pug-runtime": "^2.0.4",
+        "pug-attrs": "^2.0.4",
+        "pug-error": "^1.3.3",
+        "pug-runtime": "^2.0.5",
         "void-elements": "^2.0.1",
         "with": "^5.0.0"
+      },
+      "dependencies": {
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+          "resolved": "https://registry.npmjs.org/pug-attrs/-/pug-attrs-2.0.4.tgz",
+          "integrity": "sha512-TaZ4Z2TWUPDJcV3wjU3RtUXMrd3kM4Wzjbe3EWnSsZPsJ3LDI0F3yCnf2/W7PPFF+edUFQ0HgDL1IoxSz5K8EQ==",
+          "dev": true,
+          "requires": {
+            "constantinople": "^3.0.1",
+            "js-stringify": "^1.0.1",
+            "pug-runtime": "^2.0.5"
+          }
+        },
+        "pug-error": {
+          "version": "1.3.3",
+          "resolved": "https://registry.npmjs.org/pug-error/-/pug-error-1.3.3.tgz",
+          "integrity": "sha512-qE3YhESP2mRAWMFJgKdtT5D7ckThRScXRwkfo+Erqga7dyJdY3ZquspprMCj/9sJ2ijm5hXFWQE/A3l4poMWiQ==",
+          "dev": true
+        },
+        "pug-runtime": {
+          "version": "2.0.5",
+          "resolved": "https://registry.npmjs.org/pug-runtime/-/pug-runtime-2.0.5.tgz",
+          "integrity": "sha512-P+rXKn9un4fQY77wtpcuFyvFaBww7/91f3jHa154qU26qFAnOe6SW1CbIDcxiG5lLK9HazYrMCCuDvNgDQNptw==",
+          "dev": true
+        }
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@@ -10002,7 +10016,7 @@
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         "yargs": {
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-          "resolved": "http://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
           "integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
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@@ -10199,7 +10213,7 @@
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-      "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
       "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
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@@ -10326,7 +10340,7 @@
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     "regexpu-core": {
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-      "resolved": "http://registry.npmjs.org/regexpu-core/-/regexpu-core-2.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/regexpu-core/-/regexpu-core-2.0.0.tgz",
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@@ -10337,13 +10351,13 @@
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     "regjsgen": {
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-      "resolved": "http://registry.npmjs.org/regjsgen/-/regjsgen-0.2.0.tgz",
+      "resolved": "https://registry.npmjs.org/regjsgen/-/regjsgen-0.2.0.tgz",
       "integrity": "sha1-bAFq3qxVT3WCP+N6wFuS1aTtsfc=",
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     "regjsparser": {
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-      "resolved": "http://registry.npmjs.org/regjsparser/-/regjsparser-0.1.5.tgz",
+      "resolved": "https://registry.npmjs.org/regjsparser/-/regjsparser-0.1.5.tgz",
       "integrity": "sha1-fuj4Tcb6eS0/0K4ijSS9lJ6tIFw=",
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@@ -10760,7 +10774,7 @@
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-          "resolved": "http://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
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@@ -11567,7 +11581,7 @@
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       "version": "3.0.1",
-      "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
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@@ -11776,7 +11790,7 @@
       "dependencies": {
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-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
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@@ -11819,7 +11833,7 @@
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-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-0.4.0.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-0.4.0.tgz",
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@@ -11830,7 +11844,7 @@
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-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-0.1.1.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-0.1.1.tgz",
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@@ -12941,7 +12955,7 @@
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-      "resolved": "http://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
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@@ -12990,7 +13004,7 @@
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-      "resolved": "http://registry.npmjs.org/yargs/-/yargs-6.4.0.tgz",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-6.4.0.tgz",
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@@ -13012,7 +13026,7 @@
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-      "resolved": "http://registry.npmjs.org/yargs-parser/-/yargs-parser-4.2.1.tgz",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-4.2.1.tgz",
       "integrity": "sha1-KczqwNxPA8bIe0qfIX3RjJ90hxw=",
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