[R4ML-{168,157}] debugShow and infoShow log level and output size bug
[R4ML-{168,157}] debugShow and infoShow log level and output size bug

Details

[R4ML-168] debugShow and infoShow now respect log level

[R4ML-157] debugShow and infoShow now print out more than 1 element

Closes #2.

SparkTC/r4ml,SparkTC/r4ml