update gana - exchange - Base system with REST service to issue digital coins, run by the payment service provider

commit a5d92981f71ec15e2ead14b3bc34e5f7c5aeecf0
parent 98f967f38327226570ce9cbb7ca98255d35150e8
Author: Christian Grothoff <christian@grothoff.org>
Date:   Tue,  9 Jun 2020 23:06:48 +0200

update gana

	exchange Base system with REST service to issue digital coins, run by the payment service provider
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