fbshipit-source-id: 63d8e17f8806838b664d87cf79feb88292d0cc51

ignore hhast cache files

Summary: Pull Request resolved: #22

Differential Revision: D16424626

fbshipit-source-id: 6938922a7d566eba6ce74605c3e55b84650cae34

Add methods for the kind of op instead of using `is` expressions (#18)

Summary:
This is a > 75% speedup for `getUnifiedDiff(string $a, string $b)` on
large files when not running in repo-auth mode.
Pull Request resolved: #18

Reviewed By: pittsw

Differential Revision: D15170438

Pulled By: fredemmott

fbshipit-source-id: ec5cd8e2d59951b2e5fe7aa637c29f740d0630d8

update dependencies and test script for 2019.03.22 nightlies

Summary: Pull Request resolved: #14

Differential Revision: D14586252

fbshipit-source-id: 592c4ac0ab95bd0b5b6c6cb8b38a42c8da6b271a

Depend on HHVM 4

Summary: Pull Request resolved: #10

Differential Revision: D14013203

fbshipit-source-id: b981de58b7c819efd4fda43f2f4ca40bf2e830cf

Sync with FB www

fbshipit-source-id: a44ef3ef5326a9f948ce5057ad69317062ae9dfa

set autoload path correctly

Initial commit

Lint clean, has boilerplate and license information, and has diff
creation code from HHAST