Make improvements to parallel tile fetching#108

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adl1995 wants to merge 6 commits intohipspy:masterfrom adl1995:improve_async

+77-103

Commits on Jan 18, 2019

Restructure high level function fetch_tiles
adl1995
committed
Replace ThreadPoolExecutor.submit with ThreadPoolExecutor.map function
adl1995
committed
Catch URLError and HTTPError exception for timed out and missing tiles

Adeel Ahmad
authored and
adl1995
committed

Commits on Feb 6, 2019

Handle case for missing HiPS tiles
adl1995
committed

Commits on Jul 6, 2019