v1.13.9

Package Request:

• add content length header helper function
• add control with length of result marshall body with function jsonbody
• add set content length header in function jsonbody

Package Socket:

• fix tcp,udp,unix socket (use os SOCKGRAM)
• add socket unixgram for session less unix socket (os SOCKGRAM)
• add some standalone test for server / client (add example server config for rsyslog)
• optimize parallel statment
• optimize code / minor bugs fix
• add IsRunning function
• add timeout shutdown based on periodicly check of IsRunning
• fix close channel before send empty struct to stop process
• optimize clean shutdown
• optimize connection process to use less resources and lock pipeline less time

Package Network/Protocol:

• add unixgram protocol

Package Errors:

• fix bug with fmt.Errorf called withtou pattern, replace it by a errors.New
• fix but of circular inclusion for method Add
• remove deprecated const / code
• reorganize code file to map to interface / model
• update other modules following chnages

Other:

• bump dependencies

Full Changelog: v1.13.8...v1.13.9