Merge pull request #6 from boneskull/master

load(): pass instance to callback function
Allow prepend and append to be arrays.
1.0.2
Ignore test directory from npm.
1.0.3
Tidy test cases.
Add resolve option.
Assert on append/prepend arrays.
Assert on resolve option.
1.0.4
Ensure paths array has duplicate removed.
1.0.5
Allow home function to be specified.
1.0.6
Unique after resolve.
1.0.7
Expose store and files properties.

Store is a map of files to contents, whilst files is an array of the
files loaded.
1.0.8
Update dependencies.
1.0.9