Added support for all HttpMethod and HttpStatus

[sdstoehr]

Fixes #168

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Added backward compatible support for HttpMethods and HttpStatuses, which are not included in the respective enums. The raw values can be accessed through HttpRequest.getRawMethod() or HttpResponse.getRawStatus().
The behaviour of the old fields are unchanged (which might lead to the situation, that getStatus() = 0 (unknown status code) but getRawStatus() != 0

The only change in behaviour is, that previously an unsupported HttpMethod led to an exception during serialization, whereas it now serializes the method to HttpMethod.UNKNOWN with the real underlying value in the rawMethod field.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 67.18%. Comparing base (caed2e8) to head (0e8eab8).
Report is 182 commits behind head on main.

❗ There is a different number of reports uploaded between BASE (caed2e8) and HEAD (0e8eab8). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (caed2e8)	HEAD (0e8eab8)
	2	1

Additional details and impacted files

@@              Coverage Diff              @@
##               main     #176       +/-   ##
=============================================
- Coverage     99.26%   67.18%   -32.08%     
+ Complexity      447      306      -141     
=============================================
  Files            24       24               
  Lines           682      701       +19     
  Branches        130      131        +1     
=============================================
- Hits            677      471      -206     
- Misses            5      206      +201     
- Partials          0       24       +24     

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[thc202]

Thank you!

[sdstoehr]

Is included in version 2.4.0 - might take a while until it is available through Maven Central.