Update...

Added "checkbox" validation function for c-strings
Fixed missed flags definition in StoreData command
Added "weak inheritance" feature, all inferited classes uses
	class flag of their root class
Added two authentification mechanisms (All and Validated)
	All: allow authentification for all registred users
	Validated: check specific flag on user in process
Added cross-server single-request authentification mechanism
	for '__server' tools
Fixed class flags in Clone tool
Added rebuild indexes request for Clone tool