Python: Conversion from pyarrow.Array to a Python list

[asfimport]

For easier testing and getting started having conversion functions to Python lists containing only native Python objects is very helpful.

Reporter: Uwe Korn / @xhochy
Assignee: Uwe Korn / @xhochy

_{Note: This issue was originally created as ARROW-426. Please see the migration documentation for further details.}

[asfimport]

Uwe Korn / @xhochy:
PR: #242

[asfimport]

Wes McKinney / @wesm:
Issue resolved by pull request 242
#242