解决 macOS 10.12 下 PAC 模式下Safari 或 Twitter 客户端 tweetbot客户端不能FQ的问题

解决 macOS 10.12 下 PAC 模式下Safari 或 Twitter 客户端 tweetbot客户端不能FQ的问题
https://github.com/qiuyuzhou/ShadowsocksX-NG/issues/30
PS 手头没有 macOS 10.12 的机器，麻烦有的请帮忙测试一下
或者可以从 https://github.com/qinyuhang/ShadowsocksX-NG/tree/webserver 下载去
Xcode build 一下

Pods/GCDWebServer/GCDWebServer/Responses/GCDWebServerFileResponse.h

@@ -0,0 +1,96 @@
+/*
+ Copyright (c) 2012-2015, Pierre-Olivier Latour
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * The name of Pierre-Olivier Latour may not be used to endorse
+ or promote products derived from this software without specific
+ prior written permission.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import "GCDWebServerResponse.h"
+
+/**
+ *  The GCDWebServerFileResponse subclass of GCDWebServerResponse reads the body
+ *  of the HTTP response from a file on disk.
+ *
+ *  It will automatically set the contentType, lastModifiedDate and eTag
+ *  properties of the GCDWebServerResponse according to the file extension and
+ *  metadata.
+ */
+@interface GCDWebServerFileResponse : GCDWebServerResponse
+
+/**
+ *  Creates a response with the contents of a file.
+ */
++ (instancetype)responseWithFile:(NSString*)path;
+
+/**
+ *  Creates a response like +responseWithFile: and sets the "Content-Disposition"
+ *  HTTP header for a download if the "attachment" argument is YES.
+ */
++ (instancetype)responseWithFile:(NSString*)path isAttachment:(BOOL)attachment;
+
+/**
+ *  Creates a response like +responseWithFile: but restricts the file contents
+ *  to a specific byte range.
+ *
+ *  See -initWithFile:byteRange: for details.
+ */
++ (instancetype)responseWithFile:(NSString*)path byteRange:(NSRange)range;
+
+/**
+ *  Creates a response like +responseWithFile:byteRange: and sets the
+ *  "Content-Disposition" HTTP header for a download if the "attachment"
+ *  argument is YES.
+ */
++ (instancetype)responseWithFile:(NSString*)path byteRange:(NSRange)range isAttachment:(BOOL)attachment;
+
+/**
+ *  Initializes a response with the contents of a file.
+ */
+- (instancetype)initWithFile:(NSString*)path;
+
+/**
+ *  Initializes a response like +responseWithFile: and sets the
+ *  "Content-Disposition" HTTP header for a download if the "attachment"
+ *  argument is YES.
+ */
+- (instancetype)initWithFile:(NSString*)path isAttachment:(BOOL)attachment;
+
+/**
+ *  Initializes a response like -initWithFile: but restricts the file contents
+ *  to a specific byte range. This range should be set to (NSUIntegerMax, 0) for
+ *  the full file, (offset, length) if expressed from the beginning of the file,
+ *  or (NSUIntegerMax, length) if expressed from the end of the file. The "offset"
+ *  and "length" values will be automatically adjusted to be compatible with the
+ *  actual size of the file.
+ *
+ *  This argument would typically be set to the value of the byteRange property
+ *  of the current GCDWebServerRequest.
+ */
+- (instancetype)initWithFile:(NSString*)path byteRange:(NSRange)range;
+
+/**
+ *  This method is the designated initializer for the class.
+ */
+- (instancetype)initWithFile:(NSString*)path byteRange:(NSRange)range isAttachment:(BOOL)attachment;
+
+@end