Pass **kwargs to _get_url_for_date so that level gets to where it needs
to be.
Merge pull request #2 from Cadair/lyradatalevel

Pass **kwargs to _get_url_for_date so that level gets to where it needs
Fixed a bug where level 3 LYRA data was being interpretted in increments
of seconds rather than minutes.
Merge pull request #3 from DanRyanIrish/lyra_level_3

Level 3 data correctly read by LYRA LightCurve.
Credits: DanRyanIrish