* [RADIX,NEW] Added between_hex/3.
* [RFC3987_DCG,FIX] Various fixes.
* [SVG_ATTRIBUTES,EXT] svg_xml_namespace//3 now uses the new IRI DCG (used to be URI).
* [SVG_DOM,SVG_FILE,SVG_GENERIC,SVG_TEST,SC] Split the old module SVG into various modules. This also solves module import problems.
* [XLINK,EXT] Uses the new IRI DCG (used to be URI).