Changes
	add handler in config AddHeader headerName headerValue, wich add any headers into HTTP responce from server
	add XSS filter, <script>.*</script> formated into &lt;script&gt;.*&lt;/script&gt;
    fix name of uploaded filename in variables pool
	fix decode input varaibles in utf
	fix userAgent checks
	fix get length of utf8 string, used in transmit varaibles to external cmd

Example of additional headers
	AddHeader X-Frame-Options SAMEORIGIN
	AddHeader X-Content-Type-Options nosniff
	AddHeader X-XSS-Protection 1;mode=block
	AddHeader Content-Security-Policy default-src 'self' 'unsafe-inline' server.domain; script-src 'self' 'unsafe-inline' 'unsafe-eval' server.domain;
	AddHeader Access-Control-Allow-Origin $server
in headers variables can be used, sor $server is replaced by the server name, apache`s environment SERVER_NAME
some fixes on templates, bind vars by index
merge changes 0.7.2 and 0.7.3