ohler55/oj — pull request #157 by krasnoukhov (2014-06-06 15:32:55+00:00)
Title: Improve $LOADED_FEATURES append pattern

```start_with?('json')``` is not correct implementation.
For example, this prevents ```json_spec``` gem from being loaded.
Regular expression which checks if there is a file or folder starting
with json works better.