add StringArray()
Merge pull request #10 from mreiferson/string_array_10

add StringArray()
add LICENSE
Merge pull request #11 from mreiferson/license_11

This project is not licensed
Adds MustArray() and MustMap() methods
Merge pull request #14 from bmatsuo/more-musts

Adds MustArray() and MustMap() methods
Add GetPath(...)
Merge pull request #12 from ld9999999999/master

Include GetPath() method
add Set() method (and test)