NeewerLite-Python is an un-official cross-platform Neewer LED light control app - written in Python, originally based off of the NeewerLite macOS Swift project by @keefo (Xu Lian)
This PR adds better parallelization in connecting and disconnecting to lights, a lockfile system (to ensure NeewerLite-Python can only run one instance), and a few other improvements.
Adding the better parallelization routines to the main branch.