Added glob ignore support via the minimatch library.

Included glob ignore support, along with two tests to ensure both glob
syntax and base syntax support.
Updated readme to reflect glob support.
Pinned minimatch to 0.3.x
Added slight glob syntax clarification.
Tweaked the wording for a couple tests.
Merge remote-tracking branch 'jergason/master' into glob-ignore

Conflicts:
	index.js
	test/recursive-raddir-test.js
Tweaked the test wording to include globbing.
Merge pull request #6 from leeolayvar/glob-ignore

Added glob ignore support via the minimatch library.