diff --git a/package-lock.json b/package-lock.json
index 217b6208..07b49ae3 100644
--- a/package-lock.json
+++ b/package-lock.json
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+          "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.7.tgz",
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+        "normalize-path": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-3.0.0.tgz",
+          "integrity": "sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA=="
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+        "readdirp": {
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+          "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-3.6.0.tgz",
+          "integrity": "sha512-hOS089on8RduqdbhvQ5Z37A0ESjsqz6qnRcffsMU3495FuTdqSm+7bhJ29JvIOsBDEEnan5DPu9t3To9VRlMzA==",
+          "requires": {
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+        "to-regex-range": {
+          "version": "5.0.1",
+          "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
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@@ -3032,6 +3018,11 @@
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+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA=="
+    },
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       "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
@@ -3178,14 +3169,6 @@
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-      "requires": {
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@@ -3289,14 +3272,6 @@
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-      "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.3.tgz",
-      "integrity": "sha1-stEE/g2Psnz54KHNqCYt04M8bKs=",
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       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
@@ -3315,6 +3290,25 @@
         "ret": "~0.1.10"
       }
     },
+    "section-matter": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/section-matter/-/section-matter-1.0.0.tgz",
+      "integrity": "sha512-vfD3pmTzGpufjScBh50YHKzEu2lxBWhVEHsNGoEXmCmn2hKGfeNLYMzCJpe8cD7gqX7TJluOVpBkAequ6dgMmA==",
+      "requires": {
+        "extend-shallow": "^2.0.1",
+        "kind-of": "^6.0.0"
+      },
+      "dependencies": {
+        "extend-shallow": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
+          "integrity": "sha512-zCnTtlxNoAiDc3gqY2aYAWFx7XWWiasuF2K8Me5WbN8otHKTUKBwjPtNpRs/rbUZm7KxWAaNj7P1a/p52GbVug==",
+          "requires": {
+            "is-extendable": "^0.1.0"
+          }
+        }
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+    },
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       "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
@@ -3587,7 +3581,7 @@
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-      "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw="
+      "integrity": "sha512-D9cPgkvLlV3t3IzL0D0YLvGA9Ahk4PcvVwUbN0dSGr1aP0Nrt4AEnTUbuGvquEC0mA64Gqt1fzirlRs5ibXx8g=="
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@@ -3595,9 +3589,9 @@
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-      "version": "0.2.2",
-      "resolved": "https://registry.npmjs.org/stat-mode/-/stat-mode-0.2.2.tgz",
-      "integrity": "sha1-5sgLYjEj19gM8TLOU480YokHJQI="
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/stat-mode/-/stat-mode-1.0.0.tgz",
+      "integrity": "sha512-jH9EhtKIjuXZ2cWxmXS8ZP80XyC3iasQxMDV8jzhNJpfDb7VbQLVW4Wvsxz9QZvzV+G4YoSfBUVKDOyxLzi/sg=="
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@@ -3633,6 +3627,14 @@
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       "integrity": "sha1-1cdSgl5TZ+eG944Y5EXqIjoVWVI="
     },
+    "string_decoder": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+      "integrity": "sha1-nPFhG6YmhdcDCunkujQUnDrwP8g=",
+      "requires": {
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     "string-template": {
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       "resolved": "https://registry.npmjs.org/string-template/-/string-template-0.2.1.tgz",
@@ -3648,14 +3650,6 @@
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-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
-      "integrity": "sha1-nPFhG6YmhdcDCunkujQUnDrwP8g=",
-      "requires": {
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       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
@@ -3672,10 +3666,10 @@
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-      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
-      "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc="
+    "strip-bom-string": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/strip-bom-string/-/strip-bom-string-1.0.0.tgz",
+      "integrity": "sha512-uCC2VHvQRYu+lMh4My/sFNmF2klFymLX1wHJeXnbEJERpV/ZsVuonzerjfrGpIGF7LBVa1O7i9kjiWvJiFck8g=="
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@@ -3721,19 +3715,6 @@
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-      "resolved": "https://registry.npmjs.org/thunkify/-/thunkify-2.1.2.tgz",
-      "integrity": "sha1-+qDp0jDFGsyVyhOjYawFyn4EVT0="
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-      "requires": {
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       "resolved": "https://registry.npmjs.org/time-stamp/-/time-stamp-1.1.0.tgz",
@@ -3822,11 +3803,6 @@
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-      "resolved": "https://registry.npmjs.org/toml/-/toml-2.3.6.tgz",
-      "integrity": "sha1-JbCGZIOpciR0iVVZCItDb9Efhhs="
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@@ -3961,14 +3937,6 @@
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-      "integrity": "sha1-FQ5l2kK/d0JEW5WKZOubhdHSsYA=",
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@@ -4102,11 +4070,6 @@
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diff --git a/package.json b/package.json
index 91fe15bd..5e13b43f 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
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     "metalsmith-headings": "^0.2.0",
     "metalsmith-markdown": "^1.2.0",