Added const qualified match methods to BfpFilterWrapper. (#1957)

* Added const qualified match methods to BfpFilterWrapper.

* Fixed typo.

* Fix explicit constructor.

* Reverted parameters for configuring recompilation.

* Extended general filter to skip reparsing on every match request.

* Revert reorder.

* Revert reorder.

* Fixed missed cache invalidation.

* Merged cacheFilter and cacheFilter internal.

* Fix function name.

* Added const to old matchPaketWithFilter.

* Remove unused include.

* Attempt a recompile if no program has been compiled yet.

* Simplfy nested if.

* Add braces to if.

* Removed constructor from BpfFilterWrapper.

* Suppressed some spammed error messages in tests.

Author: Dimi1010