hub/auth: safe stringify and verify also checks for "params"
hub/auth: safe stringify and verify also checks for "params"

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