Timer proxy support
Timer global reorganization
Allow proxies to remember request
Correct error parsing tokens in header
Add case for secondary 2xx response
All tests (except for timer) passing again
Minor log update
Add message to dialog_update
Rework of timer processing in nksip_uac_lib
Added option to read refresh timer
Rework of timer processing for in-dialog requests
Several timer reworks
Log update
Added option min_session_expires in app's config
Minor update
Working in timer test
Minor correction