WIP on sero utils
Fix typos in new sero IO util.
Fix typo in utils param name.
Fix typo in IO utils.
Fix an edge case and improve tests for API
Fix JSHint errors
Add #fetch Utility function

The #fetch utility acts in (roughly) the same way as Ruby's Hash#fetch function.
This addition should hopefully make constructors more rigorous and help to
prevent a few classes of errors.
Merge pull request #204 from hybridgroup/add/utils-fetch

Add #fetch Utility function
Experiment with Utils.fetch in Driver class
Consolidate logstring generation into private fn
Remove Utils#bind in preference of built-in fn

We were re-implementing Function.prototype.bind, so let's just use that.
Merge pull request #205 from hybridgroup/remove/utils-bind

Remove Utils#bind in preference of built-in function
Merge branch 'master' into dev

* master:
  Bump version to 0.15.1
  Only require the API/Express when using it
Just use arguments directly instead of array
Stop using #fetch here for now, it just breaks tests
Merge branch 'master' into servo-level-up
Adds noop function to base adaptor.
Chance Adaptor#noop for Adaptor#_noop.
Remove `self` references in favor of #bind
WIP: Change noop to use anonymous function and added tests.