[Livehttpheaders] Livehttpheaders: feedback from Pietrovich

[notes at mozdev.org]

http://livehttpheaders.mozdev.org/suggestions.html#c379

Response headers filter needed.

first of all by response codes (200, 40x, etc), and then full headers filters to by able filter by particular header and its value... 
something like "^Content-encoding:\s+(gzip|deflate)$"

Mozilla/5.0 (Windows; U; Windows NT 5.1; ru; rv:1.8.0.9) Gecko/20061206 Firefox/1.5.0.9