twixread: change debug level and show -A in help
twixread: change debug level and show -A in help

Takishima/bart,Takishima/bart,mrirecon/bart,mjacob75/bart,mjacob75/bart,sdimoudi/bart,mrirecon/bart,mjacob75/bart,mrirecon/bart,sdimoudi/bart,mrirecon/bart,Takishima/bart,sidward/bart,sdimoudi/bart,sdimoudi/bart,Takishima/bart,sidward/bart,mrirecon/bart,sdimoudi/bart,mjacob75/bart,sidward/bart,mjacob75/bart,sidward/bart,sidward/bart,Takishima/bart