work-in-progress (commented out) to support less-synchronous JSON.stringify and JSON.parse, to reduce blocking in main hub thread when parsing large JSON messages.
work-in-progress (commented out) to support less-synchronous JSON.stringify and JSON.parse, to reduce blocking in main hub thread when parsing large JSON messages.

tscholl2/smc,DrXyzzy/smc,tscholl2/smc,sagemathinc/smc,sagemathinc/smc,DrXyzzy/smc,sagemathinc/smc,tscholl2/smc,sagemathinc/smc,tscholl2/smc,DrXyzzy/smc,DrXyzzy/smc,tscholl2/smc