hashcatplus debug mode to show rules output

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oclHashcat-plus has two rule engines and chooses which one to use depending on which hash-mode is configured by the user. the gpu based rule engine for the fast algorithms and the cpu based rule engine for the slow algorithms. the gpu based rule engine can not generate data for print out and the cpu based rule engine is the same as in hashcat. in theory this means i could add --stdout to oclHashcat-plus but since hashcat can do it and there would be no difference in the output.