Add GET/POST checks before accepting request

iwla.py

@@ -104,6 +104,9 @@ visits :
        requests =>
            [fields_from_format_log]
            extract_request =>
+               http_method
+               http_uri
+               http_version
                extract_uri
                extract_parameters*
            extract_referer* =>
@@ -669,6 +672,9 @@ class IWLA(object):
 
         if not self._decodeHTTPRequest(hit): return False
 
+        if hit['extract_request']['http_method'] not in ['GET', 'POST']:
+            return False
+
         for k in hit.keys():
             if hit[k] == '-' or hit[k] == '*':
                 hit[k] = ''