Also complete on Ripl::ShellCommands::BUILTIN.
Allow !export to print ENV is no arguments are given.
Have cd also update PWD.
Updated the ChangeLog for 0.1.0.
Fix the name.
Speced #loop_eval by calling eval_input.
Do not use shelljoin, since it re-escapes the arguments.
Drop the Ruby >= 1.9.1 requirement.
Moved builtin commands back into ShellCommands.
* Added BUILTIN instead of checking singleton_class / singleton_methods.
Moved built-in commands to Builtin.
* Moved more instance-methods to class-methods to avoid polluting
* Added more specs.
Fix stupid Ruby 1.8 YAML parsing error.
Fixed the spec_helper.rb.
Added specs for the exposed methods/constants.
Use ENV['HOME'] instead of Ronin::Config::HOME.
Require ripl anyways.
No longer use Ronin print_* methods.
Require Ruby >= 1.9.1 for use of singleton_class.
Use Ripl.shell.binding instead.