Update to 1.4.99.8
Changes:

• Tons of resources leak plugged (thanks coverity)
• Fix size calculation output
• Fix 'pkg add -M -'
• Update libucl to latest version
• Improve documentation
• Make pkg create more verbose
• Add -q|--quiet option to pkg create
• Add a new pkg alias subcommand
• Update sqlite to 3.8.8.2
• Update libucl to 0.7.2