def request_get(path, initheader = nil, &block) # :yield: +response+
      request(Get.new(path, initheader), &block)
    end
Sends a GET request to the +path+.
Returns the response as a Net::HTTPResponse object.

When called with a block, passes an HTTPResponse object to the block.
The body of the response will not have been read yet;
the block can process it using HTTPResponse#read_body,
if desired.

Returns the response.

This method never raises Net::* exceptions.

response = http.request_get('/index.html')
# The entity body is already read in this case.
p response['content-type']
puts response.body

# Using a block
http.request_get('/index.html') {|response|
p response['content-type']
response.read_body do |str|   # read body now
print str
end
}