[+] New debug_more param for srv_vpn
[+] More warnings about data loose
[+] Stats collection for sent, receieved and lost

[+] _mt stream packet and channel packet functions
[*] Reworked srv usage to work with _mt functions
[*] _mt functions in srv_vpn

[*] Split worker from dap_events.c to dap_worker.c
[*] Split set flags and write functions on _unsafe and _mt
[*] Some general refactoring