v0.5.0

• Added jellybeans theme, see #26 (@chandlerc)
• Added solarized-dark and solarized-light theme, see #30 (@menelaos)
• Theme arguments can be a path to a YAML theme file, see #23
• Added LLVM file types, see #27 (@chandlerc)
• Added support for block and character devices
• Added preview subcommand, see #13