Add array functions

[ongchi]

Which issue does this PR close?

Part of #463

Rationale for this change

Add missing array functions for the Python API.

What changes are included in this PR?

Array functions:

• array_has
• array_has_all
• array_has_any
• array_indexof
• array_join
• array_ndims
• array_pop_back
• array_pop_front
• array_position
• array_positions
• array_prepend
• array_push_back
• array_push_front
• array_remove
• array_remove_all
• array_remove_n
• array_repeat
• array_replace
• array_replace_all
• array_replace_n
• array_slice
• array_to_string
• list_append
• list_indexof
• list_join
• list_ndims
• list_position
• list_positions
• list_prepend
• list_push_back
• list_push_front
• list_remove
• list_remove_all
• list_remove_n
• list_replace
• list_replace_all
• list_replace_n
• list_slice
• list_to_string

Are there any user-facing changes?

Yes.