show file size of json_file
show number of included source files
show elapsed time and memory usage
show coverage
show response to console
change decimal points
fix Undefined index: error
fix phpcs violations
should execute checkstyle-ci task in doc target to confirm no errors
add Metrics test
add SourceFile test
add JsonFile test
fix typo
guard message, url props in API response
fix phpmd violations
Merge pull request #25 from satooshi/0.6-log-enhancement

fix issue #14: Log enhancement