python 2 imap_unordered can't handle a generator of generators

python 2 imap_unordered can't handle a generator of generators

python 2 imap_unordered can't handle a generator of generators

fastcluster requires at least numpy 1.13

Merge pull request dedupeio#628 from dedupeio/simpledict

- closes dedupeio#585 
- closes dedupeio/csvdedupe#67
- closes dedupeio/csvdedupe#74

v1.8.2

bump version, closes dedupeio#621

Merge pull request dedupeio#614 from dedupeio/lazy

lazy gazette

v1.8.0