BF(TST): test_arraywriters -- compare complex elements array element-by-element on a buggy system

Closes #244
Merge pull request #247 from yarikoptic/bf/test_arraywriters

BF(TST): test_arraywriters -- compare complex elements array element-by-element on a buggy system

also spotted some not-use of defined NP_VERSION so tuned up for that too ;)

Closes #244