Bugfix and Update

[ak0327]

レビューでの指摘

error msg

• cd nothing
• |||

~echo~ -> 完了

• ~echo -~

cd

• cd ~
• cd //

[ak0327]

• echo - 修正 @https://github.com/minishellakirawchen/minishell_rev1/commit/e78e643f8792191dfc081a0b77d5057a7aebc11d

[ak0327]

$> echo $"hello" $'world' の挙動が異なる

# minishell
$ echo $"hello" $'world'
$ $hello $world

# bash
$ echo $"hello" $'world'
$ hello world

これは特殊な展開かも？