Add "_" to unused block argument
Add "_" to unused method args
Add spacd to block
Remove braces around hash parameters
#is_a? is prefered to #kind_of?
Remove unuseless parentheses
New Hash syntax
Remove unuseless parentheses
Add parentheses at method define
Use "unless" instead of negated "if"
"fail" is prefered to raise
Add space after comma
Remove space after method name
$LOAD_PATH is prefered to $:
Remove "do" at "until"
Add .rubocop_todo.yml
Merge pull request #9 from gogotanaka/fix_some_style

Fix some coding styles