Merge pull request #88 from ethereum/bumpVersion1

package-lock.json

 {
   "name": "remixd",
-  "version": "0.1.8-alpha.12",
+  "version": "0.1.8-alpha.13",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {

package.json

 {
   "name": "remixd",
-  "version": "0.1.8-alpha.12",
+  "version": "0.1.8-alpha.13",
   "description": "remix server: allow accessing file system from remix.ethereum.org and start a dev environment (see help section)",
   "main": "./src/index.js",
   "bin": {