Fix for an issue on windows where fhc fails to find the node_modules directory.
Fix for an issue on windows where fhc fails to find the node_modules directory.

paolobueno/fh-fhc,grdryn/fh-fhc,shannonmpoole/fh-fhc,david-martin/fh-fhc,wei-lee/fh-fhc,nialldonnellyfh/fh-fhc