always remove the proxy env vars even if the config is passed

index.js

@@ -92,22 +92,23 @@ globalTunnel.initialize = function(conf) {
  return;
  }
 
+ // This has an effect of also removing the proxy config
+ // from the global env to prevent other modules (like requst) doing
+ // double handling
+ var envVarProxy = findEnvVarProxy();
+
  if (conf && typeof conf === 'string') {
  // passed string - parse it as a URL
  conf = tryParse(conf);
  } else if (conf) {
  // passed object - take it but clone for future mutations
  conf = clone(conf)
- } else {
+ } else if (envVarProxy) {
  // nothing passed - parse from the env
- var envVarProxy = findEnvVarProxy();
-
- if (!envVarProxy) {
- globalTunnel.isProxying = false;
- return;
- } else {
- conf = tryParse(envVarProxy);
- }
+ conf = tryParse(envVarProxy);
+ } else {
+ globalTunnel.isProxying = false;
+ return;
  }
 
  if (!conf.host) {