[*] Switched from non-blocked sockets to blocked

Bugs 4324

See merge request !181

[*] Fixed vpn

Revert "[*] fixed /'Too big size/' error in packet write"

See merge request !180

[+] FlowControl implementation
[+] Reassigment esocket functions
[+] Reassigment esocket message for tun queues
[-] Removed sock proxy abilities
[*] Improved speed
[!] Broken vpn client

This reverts commit 20483e73.

[*] fixed /'Too big size/' error in packet write

See merge request !179

fixed vpn-client

See merge request !178

bugs-4158

See merge request !177

bugs-4158

See merge request !175

fixed dap_stream()

See merge request !174

[*] Fixed callback_queue_ptr() call

features-4402

See merge request !173

[-] Removed add in global list on every new esocket constructor (now care about it by yourself)
[*] Returned back threads nicing