• $^X fix made safer.
  
• Noise from loading wait.ph to analyze core files supressed
  
• MJD found a situation where a test could run Test::Harness
  out of memory. Protecting against that specific case.
  
• Made the 1..M docs a bit clearer.
  
• Fixed TODO tests so Test::Harness does not display a NOK for
  them.
  
• Test::Harness::Straps->analyze_file() docs were not clear as to
  its effects