• Add apt-cache-show command parser
• Add apt-get-sqq command parser
• Add ethtool command parser
• Add needrestart command parser
• Enhance df parser to add human readable output support. Note: the size
  field has been changed to an integer and all size values have been normalized
  to bytes.
• Enhance free parser to add human readable output support. All size values
  have been normalizd to bytes.
• Enhance iptables parser to handle -x output
• Enhance /proc/pid/stat parser to support "Idle" state
• Enhance rpm_qi and pkg_index_deb parsers to split list fields into arrays
• Fix iwconfig parser to handle more special characters in the SSID name
• Fix xrandr parser to ignore extra horizontal and vertical stats lines
• Add aarch64 binaries to Releases for macOS and Linux
• Documentation and doc build updates