Make everything that was private protected

Izumi-kun / LTI-Tool-Provider-Library-PHP

LTI Tool Provider library for PHP

Apache License 2.0

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Closed jkm9000 closed 5 years ago

jkm9000 commented 5 years ago

This PR changes all private members/methods to protected to allow easier overriding as mentioned here https://github.com/Izumi-kun/LTI-Tool-Provider-Library-PHP/issues/19