Read more than 1000 variables

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Problem

( ) bug report => please search GitHub for a similar issue or PR before submitting
(x) unexpected behaviour => please visit the Wiki before

Current behaviour

with issue #87 in the test there was a read with 1k+ variables and the server has the 1k max to read - the client did not read all 1k+

Expected behaviour

the client should read all 1k+ variables from the server

Minimal reproduction of the problem with instructions