Request Via HandyCache

--[[ <HCExtension>
@name			Request Via HandyCache
@author			bdstd
@rule			^https?://
@event			BeforeRequestHeaderSend
</HCExtension> ]]
function BeforeRequestHeaderSend()
	hc.request_header = string.gsub(hc.request_header, '\r\n\r\n', '\r\nVia: '..hc.ver..'\r\n\r\n')
end