v4.1.1 Released

This release resolves all remaining legacy fall back support bugs including issues with Node.js attempting to invoke workers that don't exist.

RESOLVED ISSUES
Erroneous results when using legacy processing mode and invoking multiple threads - #27
Node.js Worker is not defined on initialization - #28
Hamsters.tools.loop functionality not taking into account legacy mode

Special thanks to @Zodiase for discovering the problems.