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Merge branch 'path-tests-dk' of github.com:dkuntz2/java-httpserver into path-tests

Conflicts:
	demo/HelloHandler.java
	httpserver/MethodWrapper.java
Determining the method to use works now.

Before I had forgot to adjust the `mostCorrect` integer so it was always
0, making the last method the one to use.
merged with Michael's stuff
Made paths work again.
 They now know about their full path instead of their relative path.
Relativeness works.

When determining the handler, you now use `checkIfEquals(pathSegment,
key, request)`. That will deal with removing the relativeness from the
path.
Removed an unneeded method in `HTTPHandlerFactory`.
Gave priority to non decimal numbers in `howCorrect`.

This is probably not the best way to do this. Instead we should have a
way for the user to give priority to certain paths/methods.
MOAR DOCS
Merge branch 'path-tests' of github.com:dkuntz2/java-httpserver into path-tests-dk