Moving the entire match impl into the route tree node.
Adding a mutable synchronized API as well.
Making the string parser param indicator pluggable.
Adding clear() to mutable  version.
Adding support for wildcards.
Ensuring that mixing wildcards and paths works.
Adding segment for arbitrary values, not just numbers.

This is now the default parametric segment for the string builder.
Showing expected results of mixing root parametric and plain segment.