added unit testing, and started implementing unit tests...phew

node_modules/path-exists/package.json

@@ -0,0 +1,72 @@
+{
+  "_from": "path-exists@^3.0.0",
+  "_id": "path-exists@3.0.0",
+  "_inBundle": false,
+  "_integrity": "sha1-zg6+ql94yxiSXqfYENe1mwEP1RU=",
+  "_location": "/path-exists",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "path-exists@^3.0.0",
+    "name": "path-exists",
+    "escapedName": "path-exists",
+    "rawSpec": "^3.0.0",
+    "saveSpec": null,
+    "fetchSpec": "^3.0.0"
+  },
+  "_requiredBy": [
+    "/locate-path"
+  ],
+  "_resolved": "https://registry.npmjs.org/path-exists/-/path-exists-3.0.0.tgz",
+  "_shasum": "ce0ebeaa5f78cb18925ea7d810d7b59b010fd515",
+  "_spec": "path-exists@^3.0.0",
+  "_where": "/Users/josh.burman/Projects/braid/node_modules/locate-path",
+  "author": {
+    "name": "Sindre Sorhus",
+    "email": "sindresorhus@gmail.com",
+    "url": "sindresorhus.com"
+  },
+  "bugs": {
+    "url": "https://github.com/sindresorhus/path-exists/issues"
+  },
+  "bundleDependencies": false,
+  "deprecated": false,
+  "description": "Check if a path exists",
+  "devDependencies": {
+    "ava": "*",
+    "xo": "*"
+  },
+  "engines": {
+    "node": ">=4"
+  },
+  "files": [
+    "index.js"
+  ],
+  "homepage": "https://github.com/sindresorhus/path-exists#readme",
+  "keywords": [
+    "path",
+    "exists",
+    "exist",
+    "file",
+    "filepath",
+    "fs",
+    "filesystem",
+    "file-system",
+    "access",
+    "stat"
+  ],
+  "license": "MIT",
+  "name": "path-exists",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/sindresorhus/path-exists.git"
+  },
+  "scripts": {
+    "test": "xo && ava"
+  },
+  "version": "3.0.0",
+  "xo": {
+    "esnext": true
+  }
+}