changed handling of transfer amounts as this lead ton an erro #28
Added test for bcmath in case the provided amount is a float

Conflicts:
	lib/Digitick/Sepa/TransferInformation/BaseTransferInformation.php
Revert "changed handling of transfer amounts as this lead ton an erro #28"

This reverts commit 3ce27b02687589ac1cd0f31463e4a969bb779c3d.
fix rounding error