diff --git a/package.json b/package.json
index 556f48e..0d45fc6 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
         "autoprefixer": "9.7.6",
         "beeper": "2.0.0",
         "cssnano": "4.1.10",
-        "gscan": "3.4.1",
+        "gscan": "3.5.2",
         "gulp": "4.0.2",
         "gulp-concat": "2.6.1",
         "gulp-livereload": "4.0.2",
diff --git a/yarn.lock b/yarn.lock
index af6d0b7..c16f2e4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,20 +2,10 @@
 # yarn lockfile v1
 
 
-"@tryghost/extract-zip@1.6.6":
-  version "1.6.6"
-  resolved "https://registry.yarnpkg.com/@tryghost/extract-zip/-/extract-zip-1.6.6.tgz#937e0e775fec6dea937ac49d73a068bcafb67f50"
-  integrity sha512-HZ8Q/HgH36Fn0fOcAC2lGjTylu5ctMQn8jvwtCCiDfkg03BaBYv8xbEqqbDbz2/3v0i9pFrNdXHWheQGM1jXgw==
-  dependencies:
-    concat-stream "1.6.0"
-    debug "2.6.9"
-    mkdirp "0.5.0"
-    yauzl "2.4.1"
-
-"@tryghost/pretty-cli@1.2.4":
-  version "1.2.4"
-  resolved "https://registry.yarnpkg.com/@tryghost/pretty-cli/-/pretty-cli-1.2.4.tgz#c66d6ec5b805218bcaa0071fbc8e61416ce64747"
-  integrity sha512-zRcfYbJ2mu9gfWAgcYxKPXbolR+gznlZv5gPWB6S4/HJ499CX51GAeGSiPw8Z939Kt+KjoneZClHkXJTSq2FxQ==
+"@tryghost/pretty-cli@1.2.5":
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/@tryghost/pretty-cli/-/pretty-cli-1.2.5.tgz#889e355f81e9d4fb7f85004708fa5878a4663a2c"
+  integrity sha512-mWpSqrZEVxZaYJtK2okZdr4/U0mScxk1bQDqZzxQ49Pk9qoMkD6YAUX7etfkgs5iGTIcDVbOY+KrVphr1hFSew==
   dependencies:
     chalk "^3.0.0"
     sywac "^1.2.1"
@@ -32,16 +22,38 @@
     request "^2.88.0"
     request-promise "^4.2.4"
 
+"@tryghost/zip@^1.0.0":
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/@tryghost/zip/-/zip-1.0.1.tgz#9943a816a26cca015fc344c32e5dd2aa7301150e"
+  integrity sha512-TfGzmTSPPcjovNr/1qihMhyAhRS1LU4f7Nf5UT99wMgUwSpHuSKldP9i37DtDOGUvw76lYK/6A7VV96b6HxUUw==
+  dependencies:
+    archiver "^3.1.1"
+    bluebird "^3.7.2"
+    extract-zip "^2.0.0"
+    fs-extra "^9.0.0"
+
 "@types/color-name@^1.1.1":
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/@types/color-name/-/color-name-1.1.1.tgz#1c1261bbeaa10a8055bbc5d8ab84b7b2afc846a0"
   integrity sha512-rr+OQyAjxze7GgWrSaJwydHStIhHq2lvY3BOC2Mj7KnzI7XK0Uw1TOOdI9lDoajEbSWLiYgoo4f1R51erQfhPQ==
 
+"@types/node@*":
+  version "13.13.1"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-13.13.1.tgz#1ba94c5a177a1692518bfc7b41aec0aa1a14354e"
+  integrity sha512-uysqysLJ+As9jqI5yqjwP3QJrhOcUwBjHUlUxPxjbplwKoILvXVsmYWEhfmAQlrPfbRZmhJB007o4L9sKqtHqQ==
+
 "@types/q@^1.5.1":
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/@types/q/-/q-1.5.2.tgz#690a1475b84f2a884fd07cd797c00f5f31356ea8"
   integrity sha512-ce5d3q03Ex0sy4R14722Rmt6MT07Ua+k4FwDfdcToYJcMKNtRVQvJ6JCAPdAmAnbRb6CsX6aYb9m96NGod9uTw==
 
+"@types/yauzl@^2.9.1":
+  version "2.9.1"
+  resolved "https://registry.yarnpkg.com/@types/yauzl/-/yauzl-2.9.1.tgz#d10f69f9f522eef3cf98e30afb684a1e1ec923af"
+  integrity sha512-A1b8SU4D10uoPjwb0lnHmmu8wZhR9d+9o2PKBQT2jU5YPTKsxac6M2qGAdY7VcL+dHHhARVUDmeg0rOrcd9EjA==
+  dependencies:
+    "@types/node" "*"
+
 abbrev@1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
@@ -151,6 +163,35 @@ aproba@^1.0.3:
   resolved "https://registry.yarnpkg.com/aproba/-/aproba-1.2.0.tgz#6802e6264efd18c790a1b0d517f0f2627bf2c94a"
   integrity sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw==
 
+archiver-utils@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/archiver-utils/-/archiver-utils-2.1.0.tgz#e8a460e94b693c3e3da182a098ca6285ba9249e2"
+  integrity sha512-bEL/yUb/fNNiNTuUz979Z0Yg5L+LzLxGJz8x79lYmR54fmTIb6ob/hNQgkQnIUDWIFjZVQwl9Xs356I6BAMHfw==
+  dependencies:
+    glob "^7.1.4"
+    graceful-fs "^4.2.0"
+    lazystream "^1.0.0"
+    lodash.defaults "^4.2.0"
+    lodash.difference "^4.5.0"
+    lodash.flatten "^4.4.0"
+    lodash.isplainobject "^4.0.6"
+    lodash.union "^4.6.0"
+    normalize-path "^3.0.0"
+    readable-stream "^2.0.0"
+
+archiver@^3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/archiver/-/archiver-3.1.1.tgz#9db7819d4daf60aec10fe86b16cb9258ced66ea0"
+  integrity sha512-5Hxxcig7gw5Jod/8Gq0OneVgLYET+oNHcxgWItq4TbhOzRLKNAFUb9edAftiMKXvXfCB0vbGrJdZDNq0dWMsxg==
+  dependencies:
+    archiver-utils "^2.1.0"
+    async "^2.6.3"
+    buffer-crc32 "^0.2.1"
+    glob "^7.1.4"
+    readable-stream "^3.4.0"
+    tar-stream "^2.1.0"
+    zip-stream "^2.1.2"
+
 archy@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/archy/-/archy-1.0.0.tgz#f9c8c13757cc1dd7bc379ac77b2c62a5c2868c40"
@@ -300,11 +341,23 @@ async@^1.4.0:
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
   integrity sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=
 
+async@^2.6.3:
+  version "2.6.3"
+  resolved "https://registry.yarnpkg.com/async/-/async-2.6.3.tgz#d72625e2344a3656e3a3ad4fa749fa83299d82ff"
+  integrity sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==
+  dependencies:
+    lodash "^4.17.14"
+
 asynckit@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
   integrity sha1-x57Zf380y48robyXkLzDZkdLS3k=
 
+at-least-node@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/at-least-node/-/at-least-node-1.0.0.tgz#602cd4b46e844ad4effc92a8011a3c46e0238dc2"
+  integrity sha512-+q/t7Ekv1EDY2l6Gda6LLiX14rU9TV20Wa3ofeQmwPFZbOMo9DXrLbOjFaaclkXKWidIaopwAObQDqwWtGUjqg==
+
 atob@^2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/atob/-/atob-2.1.2.tgz#6d9517eb9e030d2436666651e86bd9f6f13533c9"
@@ -358,6 +411,11 @@ balanced-match@^1.0.0:
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
   integrity sha1-ibTRmasr7kneFk6gK4nORi1xt2c=
 
+base64-js@^1.0.2:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.3.1.tgz#58ece8cb75dd07e71ed08c736abc5fac4dbf8df1"
+  integrity sha512-mLQ4i2QO1ytvGWFWmcngKO//JXAQueZvwEKtjgQFM4jIK0kU+ytMfplL8j+n5mspOfjHwoAg+9yhb7BwAHm36g==
+
 base@^0.11.1:
   version "0.11.2"
   resolved "https://registry.yarnpkg.com/base/-/base-0.11.2.tgz#7bde5ced145b6d551a90db87f83c558b4eb48a8f"
@@ -397,7 +455,16 @@ bindings@^1.5.0:
   dependencies:
     file-uri-to-path "1.0.0"
 
-bluebird@^3.4.6, bluebird@^3.5.0, bluebird@^3.5.3:
+bl@^4.0.1:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/bl/-/bl-4.0.2.tgz#52b71e9088515d0606d9dd9cc7aa48dc1f98e73a"
+  integrity sha512-j4OH8f6Qg2bGuWfRiltT2HYGx0e1QcBTrK9KAHNMwMZdQnDZFk0ZSYIpADjYCB3U12nicC5tVJwSIhwOWjb4RQ==
+  dependencies:
+    buffer "^5.5.0"
+    inherits "^2.0.4"
+    readable-stream "^3.4.0"
+
+bluebird@^3.4.6, bluebird@^3.5.0, bluebird@^3.5.3, bluebird@^3.7.2:
   version "3.7.2"
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.7.2.tgz#9f229c15be272454ffa973ace0dbee79a1b0c36f"
   integrity sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg==
@@ -467,7 +534,7 @@ browserslist@^4.0.0, browserslist@^4.11.1:
     node-releases "^1.1.53"
     pkg-up "^2.0.0"
 
-buffer-crc32@~0.2.3:
+buffer-crc32@^0.2.1, buffer-crc32@^0.2.13, buffer-crc32@~0.2.3:
   version "0.2.13"
   resolved "https://registry.yarnpkg.com/buffer-crc32/-/buffer-crc32-0.2.13.tgz#0d333e3f00eac50aa1454abd30ef8c2a5d9a7242"
   integrity sha1-DTM+PwDqxQqhRUq9MO+MKl2ackI=
@@ -482,6 +549,14 @@ buffer-from@^1.0.0:
   resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.1.tgz#32713bc028f75c02fdb710d7c7bcec1f2c6070ef"
   integrity sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==
 
+buffer@^5.1.0, buffer@^5.5.0:
+  version "5.6.0"
+  resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.6.0.tgz#a31749dc7d81d84db08abf937b6b8c4033f62786"
+  integrity sha512-/gDYp/UtU0eA1ys8bOs9J6a+E/KWIY+DZ+Q2WESNUA0jFRsJOc0SNUO6xJ5SGA1xueg3NL65W6s+NY5l9cunuw==
+  dependencies:
+    base64-js "^1.0.2"
+    ieee754 "^1.1.4"
+
 bunyan-loggly@^1.3.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/bunyan-loggly/-/bunyan-loggly-1.4.1.tgz#b6c806fb34bfcde2ce0d98878cf3534620b969e7"
@@ -817,20 +892,21 @@ component-emitter@^1.2.1:
   resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.3.0.tgz#16e4070fba8ae29b679f2215853ee181ab2eabc0"
   integrity sha512-Rd3se6QB+sO1TwqZjscQrurpEPIfO0/yYnSin6Q/rD3mOutHvUrCAhJub3r90uNb+SESBuE0QYoB90YdfatsRg==
 
+compress-commons@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/compress-commons/-/compress-commons-2.1.1.tgz#9410d9a534cf8435e3fbbb7c6ce48de2dc2f0610"
+  integrity sha512-eVw6n7CnEMFzc3duyFVrQEuY1BlHR3rYsSztyG32ibGMW722i3C6IizEGMFmfMU+A+fALvBIwxN3czffTcdA+Q==
+  dependencies:
+    buffer-crc32 "^0.2.13"
+    crc32-stream "^3.0.1"
+    normalize-path "^3.0.0"
+    readable-stream "^2.3.6"
+
 concat-map@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
   integrity sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=
 
-concat-stream@1.6.0:
-  version "1.6.0"
-  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.0.tgz#0aac662fd52be78964d5532f694784e70110acf7"
-  integrity sha1-CqxmL9Ur54lk1VMvaUeE5wEQrPc=
-  dependencies:
-    inherits "^2.0.3"
-    readable-stream "^2.2.2"
-    typedarray "^0.0.6"
-
 concat-stream@^1.5.2, concat-stream@^1.6.0:
   version "1.6.2"
   resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.2.tgz#904bdf194cd3122fc675c77fc4ac3d4ff0fd1a34"
@@ -923,6 +999,21 @@ cosmiconfig@^5.0.0:
     js-yaml "^3.13.1"
     parse-json "^4.0.0"
 
+crc32-stream@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/crc32-stream/-/crc32-stream-3.0.1.tgz#cae6eeed003b0e44d739d279de5ae63b171b4e85"
+  integrity sha512-mctvpXlbzsvK+6z8kJwSJ5crm7yBwrQMTybJzMw1O4lLGJqjlDCXY2Zw7KheiA6XBEcBmfLx1D88mjRGVJtY9w==
+  dependencies:
+    crc "^3.4.4"
+    readable-stream "^3.4.0"
+
+crc@^3.4.4:
+  version "3.8.0"
+  resolved "https://registry.yarnpkg.com/crc/-/crc-3.8.0.tgz#ad60269c2c856f8c299e2c4cc0de4556914056c6"
+  integrity sha512-iX3mfgcTMIq3ZKLIsVFAbv7+Mc10kxabAGQb8HvjA1o3T1PIYprbakQ65d3I+2HGHt6nSKkM9PYjgoJO2KcFBQ==
+  dependencies:
+    buffer "^5.1.0"
+
 cross-spawn@^6.0.0:
   version "6.0.5"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-6.0.5.tgz#4a5ec7c64dfae22c3a14124dbacdee846d80cbc4"
@@ -1102,7 +1193,7 @@ debug@^3.1.0, debug@^3.2.6:
   dependencies:
     ms "^2.1.1"
 
-debug@^4.0.0:
+debug@^4.0.0, debug@^4.1.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/debug/-/debug-4.1.1.tgz#3b72260255109c6b589cee050f1d516139664791"
   integrity sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==
@@ -1304,7 +1395,7 @@ encodeurl@~1.0.2:
   resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
   integrity sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=
 
-end-of-stream@^1.0.0, end-of-stream@^1.1.0:
+end-of-stream@^1.0.0, end-of-stream@^1.1.0, end-of-stream@^1.4.1:
   version "1.4.4"
   resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-1.4.4.tgz#5ae64a5f45057baf3626ec14da0ca5e4b2431eb0"
   integrity sha512-+uw1inIHVPQoaVuHzRyXd21icM+cnt4CzD5rW+NC1wjOUSTOs+Te7FOv7AhN7vS9x/oIyhLP5PR1H+phQAHu5Q==
@@ -1543,6 +1634,17 @@ extglob@^2.0.4:
     snapdragon "^0.8.1"
     to-regex "^3.0.1"
 
+extract-zip@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/extract-zip/-/extract-zip-2.0.0.tgz#f53b71d44f4ff5a4527a2259ade000fb8b303492"
+  integrity sha512-i42GQ498yibjdvIhivUsRslx608whtGoFIhF26Z7O4MYncBxp8CwalOs1lnHy21A9sIohWO2+uiE4SRtC9JXDg==
+  dependencies:
+    debug "^4.1.1"
+    get-stream "^5.1.0"
+    yauzl "^2.10.0"
+  optionalDependencies:
+    "@types/yauzl" "^2.9.1"
+
 extsprintf@1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.3.0.tgz#96918440e3041a7a414f8c52e3c574eb3c3e1e05"
@@ -1580,10 +1682,10 @@ faye-websocket@~0.10.0:
   dependencies:
     websocket-driver ">=0.5.1"
 
-fd-slicer@~1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/fd-slicer/-/fd-slicer-1.0.1.tgz#8b5bcbd9ec327c5041bf9ab023fd6750f1177e65"
-  integrity sha1-i1vL2ewyfFBBv5qwI/1nUPEXfmU=
+fd-slicer@~1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/fd-slicer/-/fd-slicer-1.1.0.tgz#25c7c89cb1f9077f8891bbe61d8f390eae256f1e"
+  integrity sha1-JcfInLH5B3+IkbvmHY85Dq4lbx4=
   dependencies:
     pend "~1.2.0"
 
@@ -1729,6 +1831,11 @@ fresh@0.5.2:
   resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.2.tgz#3d8cadd90d976569fa835ab1f8e4b23a105605a7"
   integrity sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac=
 
+fs-constants@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs-constants/-/fs-constants-1.0.0.tgz#6be0de9be998ce16af8afc24497b9ee9b7ccd9ad"
+  integrity sha512-y6OAwoSIf7FyjMIv94u+b5rdheZEjzR63GTyZJm5qh4Bi+2YgwLCcI/fPFZkL5PSixOt6ZNKm+w+Hfp/Bciwow==
+
 fs-extra@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-3.0.1.tgz#3794f378c58b342ea7dbbb23095109c4b3b62291"
@@ -1747,6 +1854,16 @@ fs-extra@^8.0.0:
     jsonfile "^4.0.0"
     universalify "^0.1.0"
 
+fs-extra@^9.0.0:
+  version "9.0.0"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-9.0.0.tgz#b6afc31036e247b2466dc99c29ae797d5d4580a3"
+  integrity sha512-pmEYSk3vYsG/bF651KPUXZ+hvjpgWYw/Gc7W9NFUe3ZVLczKKWIij3IKpOrQcdw4TILtibFslZ0UmR8Vvzig4g==
+  dependencies:
+    at-least-node "^1.0.0"
+    graceful-fs "^4.2.0"
+    jsonfile "^6.0.1"
+    universalify "^1.0.0"
+
 fs-minipass@^1.2.5:
   version "1.2.7"
   resolved "https://registry.yarnpkg.com/fs-minipass/-/fs-minipass-1.2.7.tgz#ccff8570841e7fe4265693da88936c55aed7f7c7"
@@ -1904,7 +2021,7 @@ glob@^6.0.1:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-glob@^7.0.3, glob@^7.0.5, glob@^7.1.1, glob@^7.1.3:
+glob@^7.0.3, glob@^7.0.5, glob@^7.1.1, glob@^7.1.3, glob@^7.1.4:
   version "7.1.6"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.6.tgz#141f33b81a7c2492e125594307480c46679278a6"
   integrity sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==
@@ -1959,13 +2076,13 @@ graceful-fs@^4.0.0, graceful-fs@^4.1.11, graceful-fs@^4.1.2, graceful-fs@^4.1.6,
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.3.tgz#4a12ff1b60376ef09862c2093edd908328be8423"
   integrity sha512-a30VEBm4PEdx1dRB7MFK7BejejvCvBronbLjht+sHuGYj8PHs7M/5Z+rt5lw551vZ7yfTCj4Vuyy3mSJytDWRQ==
 
-gscan@3.4.1:
-  version "3.4.1"
-  resolved "https://registry.yarnpkg.com/gscan/-/gscan-3.4.1.tgz#703151152f2f2fb9bb338dd7d566203268c770e7"
-  integrity sha512-9h8WmvYfuEu57Fk2nxtnhHhXSYxzbPCjWJi0R96e4JUwY9QLbOVO2WBB6CzwKb86JDpiM1UVbBqQLybdZxhS8A==
+gscan@3.5.2:
+  version "3.5.2"
+  resolved "https://registry.yarnpkg.com/gscan/-/gscan-3.5.2.tgz#9f696f7134c1ef8c2234b5137e15458df2872c9f"
+  integrity sha512-Ue85VySXf5k1Tqmw8Mx21VyjNAe0964eJeZmqcmkKXjySt9QVP1UTP4MWnq0/oGMmg2oPvYEIIO13FYtWWN6VA==
   dependencies:
-    "@tryghost/extract-zip" "1.6.6"
-    "@tryghost/pretty-cli" "1.2.4"
+    "@tryghost/pretty-cli" "1.2.5"
+    "@tryghost/zip" "^1.0.0"
     bluebird "^3.4.6"
     chalk "^3.0.0"
     common-tags "^1.8.0"
@@ -2249,6 +2366,11 @@ iconv-lite@0.4.24, iconv-lite@^0.4.24, iconv-lite@^0.4.4:
   dependencies:
     safer-buffer ">= 2.1.2 < 3"
 
+ieee754@^1.1.4:
+  version "1.1.13"
+  resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.1.13.tgz#ec168558e95aa181fd87d37f55c32bbcb6708b84"
+  integrity sha512-4vf7I2LYV/HaWerSo3XmlMkp5eZ83i+/CDluXi/IGTs/O1sejBNhTtnxzmRZfvOUqj7lZjqHkeTvpgSFDlWZTg==
+
 ignore-walk@^3.0.1:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/ignore-walk/-/ignore-walk-3.0.3.tgz#017e2447184bfeade7c238e4aefdd1e8f95b1e37"
@@ -2291,7 +2413,7 @@ inflight@^1.0.4:
     once "^1.3.0"
     wrappy "1"
 
-inherits@2, inherits@2.0.4, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.1, inherits@~2.0.3:
+inherits@2, inherits@2.0.4, inherits@^2.0.1, inherits@^2.0.3, inherits@^2.0.4, inherits@~2.0.1, inherits@~2.0.3:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
   integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
@@ -2707,6 +2829,15 @@ jsonfile@^4.0.0:
   optionalDependencies:
     graceful-fs "^4.1.6"
 
+jsonfile@^6.0.1:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/jsonfile/-/jsonfile-6.0.1.tgz#98966cba214378c8c84b82e085907b40bf614179"
+  integrity sha512-jR2b5v7d2vIOust+w3wtFKZIfpC2pnRmFAhAC/BuweZFQR8qZzxH1OyrQ10HmdVYiXWkYUqPVsz91cG7EL2FBg==
+  dependencies:
+    universalify "^1.0.0"
+  optionalDependencies:
+    graceful-fs "^4.1.6"
+
 jsprim@^1.2.2:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/jsprim/-/jsprim-1.4.1.tgz#313e66bc1e5cc06e438bc1b7499c2e5c56acb6a2"
@@ -2818,17 +2949,42 @@ lodash.assign@^4.2.0:
   resolved "https://registry.yarnpkg.com/lodash.assign/-/lodash.assign-4.2.0.tgz#0d99f3ccd7a6d261d19bdaeb9245005d285808e7"
   integrity sha1-DZnzzNem0mHRm9rrkkUAXShYCOc=
 
+lodash.defaults@^4.2.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/lodash.defaults/-/lodash.defaults-4.2.0.tgz#d09178716ffea4dde9e5fb7b37f6f0802274580c"
+  integrity sha1-0JF4cW/+pN3p5ft7N/bwgCJ0WAw=
+
+lodash.difference@^4.5.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/lodash.difference/-/lodash.difference-4.5.0.tgz#9ccb4e505d486b91651345772885a2df27fd017c"
+  integrity sha1-nMtOUF1Ia5FlE0V3KIWi3yf9AXw=
+
+lodash.flatten@^4.4.0:
+  version "4.4.0"
+  resolved "https://registry.yarnpkg.com/lodash.flatten/-/lodash.flatten-4.4.0.tgz#f31c22225a9632d2bbf8e4addbef240aa765a61f"
+  integrity sha1-8xwiIlqWMtK7+OSt2+8kCqdlph8=
+
+lodash.isplainobject@^4.0.6:
+  version "4.0.6"
+  resolved "https://registry.yarnpkg.com/lodash.isplainobject/-/lodash.isplainobject-4.0.6.tgz#7c526a52d89b45c45cc690b88163be0497f550cb"
+  integrity sha1-fFJqUtibRcRcxpC4gWO+BJf1UMs=
+
 lodash.memoize@^4.1.2:
   version "4.1.2"
   resolved "https://registry.yarnpkg.com/lodash.memoize/-/lodash.memoize-4.1.2.tgz#bcc6c49a42a2840ed997f323eada5ecd182e0bfe"
   integrity sha1-vMbEmkKihA7Zl/Mj6tpezRguC/4=
 
+lodash.union@^4.6.0:
+  version "4.6.0"
+  resolved "https://registry.yarnpkg.com/lodash.union/-/lodash.union-4.6.0.tgz#48bb5088409f16f1821666641c44dd1aaae3cd88"
+  integrity sha1-SLtQiECfFvGCFmZkHETdGqrjzYg=
+
 lodash.uniq@^4.5.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
   integrity sha1-0CJTc662Uq3BvILklFM5qEJ1R3M=
 
-lodash@4.17.15, lodash@^4.16.4, lodash@^4.17.11, lodash@^4.17.12, lodash@^4.17.15, lodash@^4.17.4:
+lodash@4.17.15, lodash@^4.16.4, lodash@^4.17.11, lodash@^4.17.12, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.4:
   version "4.17.15"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
   integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
@@ -2955,11 +3111,6 @@ mimic-fn@^2.1.0:
   dependencies:
     brace-expansion "^1.1.7"
 
-minimist@0.0.8:
-  version "0.0.8"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
-  integrity sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=
-
 minimist@^1.2.0, minimist@^1.2.5:
   version "1.2.5"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
@@ -2988,13 +3139,6 @@ mixin-deep@^1.2.0:
     for-in "^1.0.2"
     is-extendable "^1.0.1"
 
-mkdirp@0.5.0:
-  version "0.5.0"
-  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.0.tgz#1d73076a6df986cd9344e15e71fcc05a4c9abf12"
-  integrity sha1-HXMHam35hs2TROFecfzAWkyavxI=
-  dependencies:
-    minimist "0.0.8"
-
 mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.1:
   version "0.5.4"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.4.tgz#fd01504a6797ec5c9be81ff43d204961ed64a512"
@@ -4116,7 +4260,7 @@ readable-stream@1.1.x:
     isarray "0.0.1"
     string_decoder "~0.10.x"
 
-"readable-stream@2 || 3", readable-stream@^3.0.6:
+"readable-stream@2 || 3", readable-stream@^3.0.6, readable-stream@^3.1.1, readable-stream@^3.4.0:
   version "3.6.0"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-3.6.0.tgz#337bbda3adc0706bd3e024426a286d4b4b2c9198"
   integrity sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==
@@ -4839,6 +4983,17 @@ sywac@^1.2.1:
   resolved "https://registry.yarnpkg.com/sywac/-/sywac-1.3.0.tgz#324789bdb8bd7d0d66625c9144fce81ab5ba6f99"
   integrity sha512-LDt2stNTp4bVPMgd70Jj9PWrSa4batl+bv+Ea5NLNGT7ufc4oQPtRfQ73wbddNV6RilaPqnEt6y1Wkm5FVTNEg==
 
+tar-stream@^2.1.0:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/tar-stream/-/tar-stream-2.1.2.tgz#6d5ef1a7e5783a95ff70b69b97455a5968dc1325"
+  integrity sha512-UaF6FoJ32WqALZGOIAApXx+OdxhekNMChu6axLJR85zMMjXKWFGjbIRe+J6P4UnRGg9rAwWvbTT0oI7hD/Un7Q==
+  dependencies:
+    bl "^4.0.1"
+    end-of-stream "^1.4.1"
+    fs-constants "^1.0.0"
+    inherits "^2.0.3"
+    readable-stream "^3.1.1"
+
 tar@^4.4.2:
   version "4.4.13"
   resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.13.tgz#43b364bc52888d555298637b10d60790254ab525"
@@ -5078,6 +5233,11 @@ universalify@^0.1.0:
   resolved "https://registry.yarnpkg.com/universalify/-/universalify-0.1.2.tgz#b646f69be3942dabcecc9d6639c80dc105efaa66"
   integrity sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==
 
+universalify@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/universalify/-/universalify-1.0.0.tgz#b61a1da173e8435b2fe3c67d29b9adf8594bd16d"
+  integrity sha512-rb6X1W158d7pRQBg5gkR8uPaSfiids68LTJQYOtEUhoJUWBdaQHsuT/EUduxXYxcrt4r5PJ4fuHW1MHT6p0qug==
+
 unpipe@1.0.0, unpipe@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
@@ -5370,12 +5530,13 @@ yargs@^7.1.0:
     y18n "^3.2.1"
     yargs-parser "^5.0.0"
 
-yauzl@2.4.1:
-  version "2.4.1"
-  resolved "https://registry.yarnpkg.com/yauzl/-/yauzl-2.4.1.tgz#9528f442dab1b2284e58b4379bb194e22e0c4005"
-  integrity sha1-lSj0QtqxsihOWLQ3m7GU4i4MQAU=
+yauzl@^2.10.0:
+  version "2.10.0"
+  resolved "https://registry.yarnpkg.com/yauzl/-/yauzl-2.10.0.tgz#c7eb17c93e112cb1086fa6d8e51fb0667b79a5f9"
+  integrity sha1-x+sXyT4RLLEIb6bY5R+wZnt5pfk=
   dependencies:
-    fd-slicer "~1.0.1"
+    buffer-crc32 "~0.2.3"
+    fd-slicer "~1.1.0"
 
 yazl@^2.5.1:
   version "2.5.1"
@@ -5383,3 +5544,12 @@ yazl@^2.5.1:
   integrity sha512-phENi2PLiHnHb6QBVot+dJnaAZ0xosj7p3fWl+znIjBDlnMI2PsZCJZ306BPTFOaHf5qdDEI8x5qFrSOBN5vrw==
   dependencies:
     buffer-crc32 "~0.2.3"
+
+zip-stream@^2.1.2:
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/zip-stream/-/zip-stream-2.1.3.tgz#26cc4bdb93641a8590dd07112e1f77af1758865b"
+  integrity sha512-EkXc2JGcKhO5N5aZ7TmuNo45budRaFGHOmz24wtJR7znbNqDPmdZtUauKX6et8KAVseAMBOyWJqEpXcHTBsh7Q==
+  dependencies:
+    archiver-utils "^2.1.0"
+    compress-commons "^2.1.1"
+    readable-stream "^3.4.0"