Renames AUR git package to json-voorhees-git.
Make Doxygen background more red.
Fix string_ref empty and substr operations.
Issue #4: Adds support for specifying a "path" to a jsonv::value.
Issue #3: Creates the algorithm file and its first function: traverse.
Merge branch 'master' of github.com:tgockel/json-voorhees
Issue #4: Greatly simplify building a path with implicit construction of path_elements.
Issue #4: Fixes path parsing for ["strings"].