Fix bug for close connection response with no body

For OS X and Linux, run the following command to update

curl -s -L https://github.com/cyfdecyf/cow/raw/master/install-cow.sh | bash

For Windows, please download from http://dl.chenyufei.info/cow/

• Fix bug for close connection response with no body
• Fix response not keep alive by default
• Always try parent proxy upon DNS/connection error
• Do not take special handling on log with debug option
• Add proxy status statistics in debug code

Fix crash on IPv6 client authentication

For OS X and Linux, run the following command to update

curl -s -L https://github.com/cyfdecyf/cow/raw/master/install-cow.sh | bash

For Windows, please download from http://dl.chenyufei.info/cow/

• Fix crash on IPv6 client authentication
• Provide ARMv6 binary

Fix extra connection header, ignore UTF-8 BOM in config file

For OS X and Linux, run the following command to update

curl -s -L https://github.com/cyfdecyf/cow/raw/master/install-cow.sh | bash

For Windows, please download from http://dl.chenyufei.info/cow/

• Fix adding extra connection header for client request with both "Proxy-Connection" and "Connection" headers
• Ignore UTF-8 BOM in config file

Handle 100-continue and bug fixes

For OS X and Linux, run the following command to update

curl -s -L https://github.com/cyfdecyf/cow/raw/master/install-cow.sh | bash

For Windows, please download from http://dl.chenyufei.info/cow/

• Handle 100-continue: do not forward expect header from client, ignore 100 continue response replied by some web servers
• For windows: add cow-hide.exe to run cow.exe as background process, (provided by to xupefei)
• Filter sites covered by user specified domains on load
• Fix incorrectly changing header value to lower case: user name and password can now contain upper case letters