(https://github.com/ruby/irb/pull/824)
* Command is not a method
* Fix command test
* Implement non-method command name completion
* Add test for ExtendCommandBundle.def_extend_command
* Add helper method install test
* Remove spaces in command input parse
* Remove command arg unquote in help command
* Simplify Statement and handle execution in IRB::Irb
* Tweak require, const name
* Always install CommandBundle module to main object
* Remove considering local variable in command or expression check
* Remove unused method, tweak
* Remove outdated comment for help command arg
Co-authored-by: Stan Lo <stan001212@gmail.com>
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8fb776e379
Co-authored-by: Stan Lo <stan001212@gmail.com>
