Update stable version in repo from 0.6.2 to 0.6.4

[GermanBluefox]

Think about update stable version to 0.6.4

Version: stable=0.6.2 (46 days old) => latest=0.6.4 (30 days old) Installs: stable=838 (47.45%), latest=197 (11.16%), total=1766

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Do not close this issue manually as a new issue will be created if condition for update still exists.

Please drop a comment if any reason exists which blocks updating to version 0.6.4 at this time.

Note: This is an automatically generated message and not personally authored by bluefox! @mcm1957 for evidence