Re-implement exclude filtering on the line level
Re-implement exclude filtering on the line level

For excluding of a Request/Response pair, it is enough if _one_ on them
contains the exlude term. Thus, we can already check for this before even
parsing the line. The other part of the pair will then be ignored because
it has no matching line.

pixelistik/request_log_analyzer,pixelistik/request_log_analyzer,pixelistik/request_log_analyzer