add xml/encoding, xmi packages; export read-xmi and constant names for 'XMI' qname qualities from lupine/xmi
add dash-transform-camel-case and supporting forms; move array-related type designators to seq.lisp
wrap lines
add defconst
correct array-index typedef
move aux package defs into package-late.lisp (new file)
add docstrings
add type spec to convert-case