diff --git a/package-lock.json b/package-lock.json
index 8382553..b098907 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "peritext-utils",
-  "version": "0.2.17",
+  "version": "0.2.18",
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@@ -44,13 +44,15 @@
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           "integrity": "sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg=",
-          "dev": true
+          "dev": true,
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           "dev": true,
+          "optional": true,
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@@ -69,6 +71,7 @@
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               "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
               "dev": true,
+              "optional": true,
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               }
@@ -252,6 +255,7 @@
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           "integrity": "sha1-1USBHUKPmOsGpj3EAtJAPDKMOPc=",
           "dev": true,
+          "optional": true,
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@@ -264,6 +268,7 @@
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               "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
               "dev": true,
+              "optional": true,
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@@ -329,7 +334,8 @@
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           "integrity": "sha1-qIwCU1eR8C7TfHahueqXc8gz+MI=",
-          "dev": true
+          "dev": true,
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@@ -346,6 +352,7 @@
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           "integrity": "sha1-JP1iAaR4LPUFYcgQJ2r8fRLXEZU=",
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@@ -355,6 +362,7 @@
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               "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
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@@ -365,12 +373,20 @@
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           "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8=",
-          "dev": true
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+          "dev": true,
+          "optional": true
+        },
+        "lodash": {
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+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
+          "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==",
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@@ -450,6 +466,14 @@
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         "semver": "5.6.0",
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+      },
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+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
+          "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==",
+          "dev": true
+        }
       }
     },
     "@babel/generator": {
@@ -463,6 +487,14 @@
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         "source-map": "0.5.7",
         "trim-right": "1.0.1"
+      },
+      "dependencies": {
+        "lodash": {
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+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
+          "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==",
+          "dev": true
+        }
       }
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@@ -527,6 +559,14 @@
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         "@babel/types": "7.2.2",
         "lodash": "4.17.11"
+      },
+      "dependencies": {
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+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
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+          "dev": true
+        }
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         "@babel/types": "7.2.2",
         "lodash": "4.17.11"
+      },
+      "dependencies": {
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+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
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+          "dev": true
+        }
       }
     },
     "@babel/helper-optimise-call-expression": {
@@ -622,6 +670,14 @@
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+      },
+      "dependencies": {
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+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
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+          "dev": true
+        }
       }
     },
     "@babel/helper-remap-async-to-generator": {
@@ -872,6 +928,14 @@
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         "lodash": "4.17.11"
+      },
+      "dependencies": {
+        "lodash": {
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+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
+          "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==",
+          "dev": true
+        }
       }
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@@ -1232,6 +1296,14 @@
         "debug": "4.1.1",
         "globals": "11.10.0",
         "lodash": "4.17.11"
+      },
+      "dependencies": {
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+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
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+          "dev": true
+        }
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@@ -1243,10 +1315,19 @@
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         "lodash": "4.17.11",
         "to-fast-properties": "2.0.0"
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+          "dev": true
+        }
       }
     },
     "@robindemourat/eslint-config": {
       "version": "git+https://github.com/robindemourat/eslint-config.git#7749111822597b7ec1a66e1630ee4d7c616590e1",
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+      "dev": true,
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       "integrity": "sha1-45sJrqne+Gao8gbiiK9jkZuuOcQ=",
-      "dev": true
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@@ -1404,7 +1487,8 @@
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       "integrity": "sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c=",
-      "dev": true
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-      "dev": true
+      "dev": true,
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@@ -1529,6 +1614,14 @@
         "babel-types": "6.26.0",
         "babylon": "6.18.0",
         "lodash": "4.17.11"
+      },
+      "dependencies": {
+        "lodash": {
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+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
+          "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==",
+          "dev": true
+        }
       }
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     "babel-traverse": {
@@ -1563,6 +1656,12 @@
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           "dev": true
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+        "lodash": {
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+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
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@@ -1583,6 +1682,12 @@
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+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
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           "integrity": "sha1-dp66rz9KY6rTr56NMEybvnm/sOY=",
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