sha,message,author_date,committer_date,raw_author,raw_committer,repo,author,committer
d275ad6df25457b53a594953f45b252d14260115,"Speed up `decode_cf_datetime` (#1414)

* Speed up `decode_cf_datetime`

Instead of casting the input numeric dates to float, they are
casted to nanoseconds as integer which makes `pd.to_timedelta()`
work much faster (x100 speedup on my machine)

* Moved _NS_PER_TIME_DELTA to top of module file

* Added entry to `whats-new.rst`",2017-07-25T17:42:51Z,2017-07-25T17:42:51Z,3635471f9c1d642795b95b75219f5a713b279868,5f199557d0f8f69fbea5e027a407146e2669a812,13221727,102827,