XMLStarlet command line XML toolkit

XMLStarlet 1.5.0 is released, changes:

• Bugs:
  • avoid segfault on pyx non-existant file
  • fix unescaping of entities straddling 4K byte boundary (Bug #102)
• Enhancements:
  • unescape hex entities (&#xXX;)
  • give a helpful message if doc has default namespace and
    nothing matched
  • add "_" and "DEFAULT" as names for document's top-level
    default namespace
  • Adding a global quiet option
  • ed: Allow omitting value argument to create empty element.
  • use default attribute values in sel subcommand
• Build:
  • fix test variables to work with newer automake (1.11 -> 1.13)
  • fix usage2c.awk for mawk
  • scripts for building on mingw