Timeout error with large VCD files

[ThomasDh-C]

Timeout error after input has been fully parsed and signals array is finished for large vcd files (~15mb/ 1.7 million lines), so output not returned despite it having being calculated before 'timeout'. Changing length of the timeout inside the promise does not solve the issue.

[ThomasDh-C]

Removing the use of setTimeout and nextTick throughout removes the issue, though not ideal ...