Fix broken JSONP.

[svbatalov]

Fixes #321

[E-gy]

Just further noting that this also fixes the exactly similar issue with Ajax mode (since _retrieveData is either _recordsFromJsonp or _recordsFromAjax, both with same signature).

That's issue #318.

[E-gy]

It seems to have broken in 3.0.9, as arguments are correct in 3.0.5 - which thus works as a temporary workaround.

[stefanocudini]

It seems to have broken in 3.0.9, as arguments are correct in 3.0.5 - which thus works as a temporary workaround.

I'll check and merge soon, tnks!

[stefanocudini]

@svbatalov this merge cause this problem:

[mikelcp]

@stefanocudini any updates on my pr?
It should resolve this