Minimal change
Add function 'store_value/3' to nksip_util
Clarify 'meta' usage in records
Created function 'update_min_se/2'
Minor refactor
Minor refactor
Move from lists:keystore/4 to nksip_lib:store_value/2
Added function 'require/2'
Updated nksip_parse:session_expires/1
Added option to use tokens in nksip_headers module
Meta processing functions in dialogs
Timer UAC refactorization
Timer UAS refactorization