Bug 925424 - Only sync the versions we need
Add test cases
No more S
Apologize for the gross global cache
Remove bad console.log calls
Make Download use a singleton instead of a global for the cache
Improve error logging
Download.download => Download.inst.download
Document that we don't sync git repos
jshintignore lib/download.js since __defineGetter__ bad
Add documentation for command line args in README
Document case where we bail early from Package#versions
Use filter + forEach for adding new deps
Merge pull request #5 from gaye/bug-945424

Bug 925424 - Only sync the versions we need r=wlach