Do not need to update connection flow control together with stream
flow control. Connection flow control has to be updated separately.
Fixes file download longer than 2G.
TN: S507-051
no-tn-check
Do not need to use monthes and years in duration representation.
Using years and monthes makes the duration representation depend on current
time, which can be different in client and server parts. By the way remove
the error in days calculation.
* po/client-http2: (51 commits)
Simplify code by using To_Lower as in pure HTTP/2 unit.
Ensure we handle possible corruped data/frames.
Add some pre-conditions.
Minor code clean-up.
Properly initialize the connection object based on settings.
Clean-up multiple definitions of CRLF.
Minor code reformatting and clean-up.
Code refactoring, better sharing.
Rework the handling of headers for HTTP/2 responses.
Send_Request_2: Rewrite to properly handle large request & response.
Read_Body is only to be used with HTTP/1.x.
Fix POST support, nothing to do if the body is empty.
New routine HTTP_Version to get the connection's protocol version.
Add new routine to directly set the headers list.
Fix implementation of POST without attachment.
Refactor code for sharing.
Add initial support for POST with attachments for HTTP/2.
Properly update connection flow control window.
Fix wrong initialization of Max_Frame_Size (cut&paste) error.
Use a unique port for 0345_http2_soap_hello.
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