Clink v0.4.5

• Improved "clink autorun". It now defaults to the Current User registry hive.
• "clink set" gives more details for enumeration-type settings.
• Tab completion for p4vc.
• New settings "history_expand_mode" to control history expansion in quotes (#317).
• Bug fixes;
  • Use full width of the terminal (#337).
  • Fixed MinGW compile error (#335).
  • Autorun now defaults to the current user's hive (#332).
  • Creating clink.html no longer needs Pandoc, plus it looks a bit better (#331).
  • Added settings to control history expansion (#326).
  • Correct fallback when 'use_altgr_substitute' is off (#325).
  • Load history prior to saving it on shutdown (#318).
  • Added Shift-Tab documentation and menu completion example (#190).
  • Added shim for backwards menu completion (#190).
  • Input handling now outputs '\e`Z' for Shift-Tab (#190).
  • Updated Readme with current Premake info (#310).
  • Guard against there being no buffer to read from (#304).
  • Fixed artefacts when resizing conhost's buffer (#139).
  • Clear remaining characters if scroll window was too small (#301)
  • Escape % characters when expanding aliases (#280).
  • Fixed leaking exception filters.
  • Clearing the screen doesn't leave artefacts behind.