Fix several questionable .relativeTo() results.
Fix missing closing parenthesis in test names (again!).
Delete unused variables and unused code paths.
Fix spelling errors.
Modify relativeTo() tests to demonstrate that relativeTo() is reversible to the normalized form of the original URI.
Add test cases to show .relativeTo() does not mangle the authority part.
Merge pull request #99 from djcsdy/missing-close-paren

Fix missing closing parenthesis in test names (again!)
merging code cleanup
removing obsolete code fragments - closes #100
Merge pull request #101 from djcsdy/fix-spelling

Fixing spelling errors
optimize relativeTo() results - closes #78
fixing code format
removing unnecessary deep-object-access
optimizing relativeTo() results - closes #95
adding .segmentCoded() to provide en/decoding interface to .segment() - closes #79