Update to dom-anchor-text-{quote, position} v4.x

This incorporates a fix for a bug in the new `fromRange()` function in
IE/Edge which appeared in the 3.x series. See
https://github.com/tilgovi/dom-anchor-text-position/issues/4

npm-shrinkwrap.json

@@ -1172,9 +1172,9 @@
       "resolved": "https://registry.npmjs.org/dom-anchor-fragment/-/dom-anchor-fragment-1.0.4.tgz"
     },
     "dom-anchor-text-position": {
-      "version": "3.0.3",
+      "version": "4.0.0",
       "from": "dom-anchor-text-position@latest",
-      "resolved": "https://registry.npmjs.org/dom-anchor-text-position/-/dom-anchor-text-position-3.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/dom-anchor-text-position/-/dom-anchor-text-position-4.0.0.tgz",
       "dependencies": {
         "dom-seek": {
           "version": "4.0.3",
@@ -1184,9 +1184,9 @@
       }
     },
     "dom-anchor-text-quote": {
-      "version": "3.0.0",
+      "version": "4.0.1",
       "from": "dom-anchor-text-quote@latest",
-      "resolved": "https://registry.npmjs.org/dom-anchor-text-quote/-/dom-anchor-text-quote-3.0.0.tgz"
+      "resolved": "https://registry.npmjs.org/dom-anchor-text-quote/-/dom-anchor-text-quote-4.0.1.tgz"
     },
     "dom-node-iterator": {
       "version": "3.5.3",

package.json

@@ -34,8 +34,8 @@
     "diff-match-patch": "^1.0.0",
     "document-base-uri": "^1.0.0",
     "dom-anchor-fragment": "^1.0.1",
-    "dom-anchor-text-position": "^3.0.3",
-    "dom-anchor-text-quote": "^3.0.0",
+    "dom-anchor-text-position": "^4.0.0",
+    "dom-anchor-text-quote": "^4.0.1",
     "dom-seek": "^1.0.1",
     "end-of-stream": "^1.1.0",
     "escape-html": "^1.0.3",