KOBAYASHI Shuji 7192429e83 Fix behavior of Kernel#Integer to numbers ending with _ and spaces ...

#### Before this patch:

  ```ruby
  Integer("1_ ")  #=> 1
  ```

#### After this patch (same as Ruby):

  ```ruby
  Integer("1_ ")  #=> ArgumentError
  ```

2019-12-11 16:40:39 +09:00

..

kernel.rb

Fix behavior of Kernel#Integer to numbers ending with _ and spaces

2019-12-11 16:40:39 +09:00