duckscript v0.1.3

• New ls command #9
• New cp command #7
• New man command #16
• New calc command #10
• New unset_env command #23
• New mv command #8
• New rm command #15
• New rmdir command #14
• New assert_eq command #22
• New assert_fail command #3
• New assert command #2
• New touch command #4
• New dirname command #6
• New canonicalize command #21
• New basename command #5
• New mkdir command #13
• New not command #12

duckscript v0.1.1

release