Update README.md
Delete out.log
Delete 1
Delete runcode_demonstrate.php
updates to unit test
small change to unit test
changes to validation of configuration, unit tests, new initial estimate
added queues output, unit tests of queues output, xmax can be read in as number or array
constraints on max desks
reverting to version that passes unit tests but without sensible maximum desks constraint
minimum desks now an array
fix for minimum desks of 0