modules: mqtt: more tweaks to mqtt routines
modules: mqtt: more tweaks to mqtt routines

VincentToups/lambdanative,attila-lendvai/lambdanative,youprofit/lambdanative,youprofit/lambdanative,gale320/lambdanative,emacstheviking/lambdanative,VincentToups/lambdanative,VincentToups/lambdanative,attila-lendvai/lambdanative,emacstheviking/lambdanative,VincentToups/lambdanative,youprofit/lambdanative,VincentToups/lambdanative,gale320/lambdanative,emacstheviking/lambdanative,youprofit/lambdanative,gale320/lambdanative,gale320/lambdanative,attila-lendvai/lambdanative,gale320/lambdanative,emacstheviking/lambdanative,youprofit/lambdanative,emacstheviking/lambdanative,attila-lendvai/lambdanative,attila-lendvai/lambdanative