v0.6.0

Features

• hexyl can now be used as a library, see #67 (@tommilligan)

• Added a new -o/--display-offset option to add a certain offset to the
  reported file positions, see #57 (@tommilligan)

Bugfixes

• Remove additional space on short input, see #69 (@nalshihabi)

Other

• Performance improvements, see #73 and #66