Bump spellchecker to 3.7.1 (#354)

Author: sadick254

package.json

@@ -9,7 +9,7 @@
     "debug": "^4.1.1",
     "multi-integer-range": "^2.0.0",
     "natural": "^0.4.0",
-    "spellchecker": "^3.7.0",
+    "spellchecker": "^3.7.1",
     "spelling-manager": "^1.1.0",
     "underscore-plus": "^1"
   },