[bugfix] Transforms regular expressions to functions for compat

npm run prepare

[GH-15] Add configurable concurrency

Bump version to 0.9.0

Add prepare so we can reference this package from github

Lint lint lint

Trimmed it in index.js

Seems like linter wants to trim trailling whitespace

v0.8.2 -> v0.8.3

Completing metadata callback usage

Constrain upload concurrency with Promise.map/3 from Bluebird

0.8.2

Reduce dependencies and amount of packaged files

Merge pull request #13 from alexgorbatchev/alexgorbatchev/fix-resumable

Fixes resumable option not being passed to GSC