we encode varints
Revert "we encode varints"

This reverts commit 35668290bd95b6cc88cdaa04f6a7d365ccae9439.
Revert "Revert "we encode varints""

This reverts commit cf23c0c6363d929a38ffba15f60e61501dd3254f.
encode varint arrays
encode unsigned varints
first working implementation of varint
reorganized receiver
changed log level on tests
merge conflicts