fix invalid array index references in unit test
add cwdbase option to enable file base to be set to cwd in lieu of auto
detecting based on glob expressions. this will enable file.relative to
be relative to cwd.
add use strict to prevent global usage of 'us'
Merge branch 'master' of git@github.com:azweb76/glob-stream.git

Conflicts:
	index.js
	test/main.js