• documentation tweaks and cleanup
  
• ignore required when default or builder is present
  
• document Moo versus Any::Moose in brief with article link
  
• remove quote_sub from SYNOPSIS and has docs, expand Sub::Quote section
  
• localize @_ when inlining quote_sub'ed isa checks (fixes lazy+isa+default)
  
• ensure constructor gets regenerated if forced early by metaclass inflation