bundle: add process to global vars, may fix some issues

lib/bundle.js

@@ -25,14 +25,12 @@
 
 'use strict';
 
-let exorcist      = require('exorcist'),
-    browserify    = require('browserify'),
+let browserify    = require('browserify'),
     path          = require("path"),
     spawn         = require('child_process').spawn,
     insertGlobals = require('insert-module-globals'),
     fs            = require("fs"),
     async         = require("async"),
-    builtins      = require("builtins"),
     _log          = require("./log");
 
 /**
@@ -49,7 +47,7 @@ function bundle(input, nc, options, complete) {
   let ws           = fs.createWriteStream(bundlePath);
 
 
-  const igv = '__filename,__dirname';
+  const igv = '__filename,__dirname,process';
   let insertGlobalVars = {},
       wantedGlobalVars = igv.split(',');
 
@@ -102,7 +100,6 @@ function bundle(input, nc, options, complete) {
   }
 
   let bprocbun = bproc.bundle() // bundle
-      .pipe(exorcist(mapfile, mapfile, './')) // generate source maps.
       .pipe(ws) // pipe to file
 
   // error on require errors, still can't contionue. ffs browserify