Use 127.0.0.1 instead of localhost (#7)

The server already listened on `127.0.0.1`, so we need to make sure the client does too.

Related to mantoni/eslint_d.js#46

README.md

@@ -228,10 +228,10 @@ time.
 ```bash
 PORT=`cat ~/.prettier_d | cut -d" " -f1`
 TOKEN=`cat ~/.prettier_d | cut -d" " -f2`
-echo "$TOKEN $PWD file.js" | nc -q 0 localhost $PORT
+echo "$TOKEN $PWD file.js" | nc -q 0 127.0.0.1 $PORT
 
 # You can also pipe a stream in with `--stdin`:
-cat file.js | cat <(echo "$TOKEN $PWD --stdin") - | nc -q 0 localhost $PORT
+cat file.js | cat <(echo "$TOKEN $PWD --stdin") - | nc -q 0 127.0.0.1 $PORT
 # `prettier_dnc` is provided as a helper script for this usage:
 cat file.js | prettier_dnc
 ```

bin/prettier_dnc.sh

@@ -8,4 +8,4 @@ else
   NC_OPTIONS=""
 fi
 
-cat <(echo "$TOKEN $PWD --stdin $@") - | nc $NC_OPTIONS localhost $PORT
+cat <(echo "$TOKEN $PWD --stdin $@") - | nc $NC_OPTIONS 127.0.0.1 $PORT

lib/client.js

@@ -10,7 +10,7 @@ function connect(callback) {
     return callback(Error('Not running'))
   }
   net
-    .connect(data.port, function() {
+    .connect(data.port, '127.0.0.1', function() {
       callback(null, this, data.token)
     })
     .on('error', () => {