WIP basic stuff; not able to clone yet
switch to stream interface for dependencies; still WIP

can clone now, but into wrong dir. need to change cwd for execFile
update package.lua to new format that luvit-pkg supports
fixed script template so that bash can exit when using stdin; bug fixes
typo fix
pcall for mkdirSync; naming; async callback
Merge pull request #1 from virgo-agent-toolkit/songgao/wip

Work in Progress