Better error message when user gives too big -c arg
Better error message when user gives too big -c arg

kisel/trex-core,dimagol/trex-core,kisel/trex-core,dimagol/trex-core,kisel/trex-core,dimagol/trex-core,kisel/trex-core,dimagol/trex-core,kisel/trex-core,dimagol/trex-core,dimagol/trex-core,kisel/trex-core