Add request-timeout features

添加HTTP请求超时功能

modules/request.js

@@ -106,7 +106,7 @@ class Request {
       .proxy(APROXY_CONF['uri'])
       .type('form')
       // 超时
-      .timeout(REQ_TIMEOUT)
+      .timeout(opts.timeout || REQ_TIMEOUT)
       // 忽略HTTPS
       .ignoreHTTPS(opts['ignoreHTTPS'])
       .send(_postData)

source/core/base.js

@@ -240,6 +240,7 @@ class Base {
           tag_e: opt['tag_e'],
           encode: this.__opts__['encode'],
           ignoreHTTPS: (this.__opts__['otherConf'] || {})['ignore-https'] === 1,
+          timeout: (this.__opts__['otherConf'] || {})['request-timeout'],
           headers: (this.__opts__['httpConf'] || {})['headers'] || {},
           body: (this.__opts__['httpConf'] || {})['body'] || {}
         });