1.0.3

• Property mapping tolerance for mixed associative/numerically indexed arrays.
• null is no longer ignored as value - if the setter allows null.

Removed version from composer.json

Add some more unit tests

Summary:
Added some more unit tests to get
a test coverage of 100%!

Reviewers: claus.due

Reviewed By: claus.due

Differential Revision: https://phabricator.dkd.de/D910