rubywho 0.4.0 2011/08/03

For Ruby1.9.2.
- fixed display_each_methods to handle method names in symbol (thanks skoji)
- test_rubywho.rb change for pass Ruby1.9.2.

rubywho 0.3.0

rubywho 0.2.0 2011/03/09

Add commands.
who_io?
who?
who_singleton?
who_s?
who_instance?
who_i?
who0?
who1?

rubywho 0.1.0 2011/03/09

1st Release.
Add command, who?