add space to prefix

Author: bjrmatos

lib/client.js

@@ -50,7 +50,7 @@ class Client {
         const error = new Error('Error while executing request to remote server')
 
         addStack(error, err.stack, {
-          stackPrefix: 'Request Error stack:'
+          stackPrefix: 'Request Error stack: '
         })
 
         error.message = `${error.message}. ${err.message}`
@@ -80,7 +80,7 @@ class Client {
               const err = new Error(`Error while executing request to remote server: Unknown error, status code ${response.statusCode}`)
 
               addStack(err, e.stack, {
-                stackPrefix: 'Parsing Error stack:'
+                stackPrefix: 'Parsing Error stack: '
               })
 
               err.response = response