Merge pull request #12 from funambol/master

Fix possible IllegalArgumentException: Invalid target position.

Merge pull request #10 from MFlisar/master

cleaned code

* created a diff callback for the default breadcrumb ItemHolder + added an update function that uses this callback

Merge pull request #9 from Pigcasso/master

Bump to 0.4.0

Add attrs 'crumbsTextColor & crumbsSelectedTextColor'

Update file '.gitignore'

Bump to 0.3.0

Migrate to AndroidX

Update sth

Merge pull request #6 from AcoustickSan/master

Fixed crash on API 19. Updated gradle version

Fix crash when casting TextView to Button incorrectly