0.5.1 (2017-04-09)

Feature enhancements:

• Added or improved file type filtering for vim.
• FEATURE #34:
  Add a -o/--only-matching flag.
• FEATURE #377:
  Column numbers can now be customized with a color. (The default is
  no color.)
• FEATURE #419:
  Added -0 short flag option for --null.

Bug fixes:

• BUG #381:
  Include license text in all subcrates.
• BUG #418,
  BUG #426,
  BUG #439:
  Fix a few bugs with -h/--help output.