fix indentation and spacing, automatically
split test data genrator method
fix spacing of test() method
refactor testCodec: add comments, fix logging logic
remove redundant objects
refactor variables in testCodec() method
add spacing
show simple name in benchmark result
write benchmark results into a CSV file.
fix max sparsity
add CSV header and message for CVS file
Merge pull request #15 from lemire/improve-benchmark

Improve benchmark