pipe: allow passing custom implementation

fix: add default pointer to fields labeled as unique and ptr

Add htafile exec example for dcom/urlmon

fix: codegen: no-size-limit string assignment

codegen: use proper len count function for strings

ssp: fix panic in validate creds

Fixed issue with NTLMv2 authentication using NTLM hash

dnsp: use ip4 whenever possible

ndr64: fix trailing gap / fix int3264 alignment

fix: ssp krb5 v8 compatibility