1.0.0

• Added ability to upgrade existing packages using -u
• Restructured command-line syntax
• Better argument processing:
  • Require -p before package name
  • Allow custom repository to overwrite config using -r
  • Print usage if required argument missing or unknown argument given
• Re-wrote help documentation:
  • Reformat for better consistency with common Unix help documents
  • Use standard syntax for program usage
  • Provide explanation for all available arguments
• Moved binary to /usr/sbin.